Date of Event Which Requires Filing of
this Statement: December 31, 2007
Check the appropriate box to designate
the rule pursuant to which this Schedule is filed:
(X) Rule 13d-1(b)
( ) Rule 13d-1(c)
( ) Rule 13d-1(d)
*The remainder of this cover page
shall be filled out for a reporting persons initial filing on this form with respect
to the subject class of securities, and for any subsequent amendment containing
information which would alter the disclosures provided in a prior cover page.
The information required in the
remainder of this cover page shall not be deemed to be filed for the purpose
of Section 18 of the Securities Exchange Act of 1934 (Act) or otherwise
subject to the liabilities of that section of the Act but shall be subject to all other
provisions of the Act (however, see the Notes).
(Continued on the following page(s))
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13G
CUSIP No.: 058498106
1
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NAME OF REPORTING PERSON
S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
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Vanguard Fiduciary Trust Company, in its capacity as trustee for certain employee benefit plan(s).
I.R.S. Identification Number 23-2186884.
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2.
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CHECK THE APPROPRIATE [LINE] IF A MEMBER OF A GROUP
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4.
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CITIZENSHIP OR PLACE OF ORGANIZATION
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(For questions 5-8, report the number
of shares beneficially owned by each reporting person with:)
7.
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SOLE DISPOSITIVE POWER
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8.
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SHARED DISPOSITIVE POWER
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13G
CUSIP No.: 058498106
9.
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AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
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10.
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CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES
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11.
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PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9
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12.
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TYPE OF REPORTING PERSON
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SECURITIES AND EXCHANGE
COMMISSION
Washington, D.C. 20549
_________________
SCHEDULE 13G
Under the Securities
Exchange Act of 1934
_________________
Item 1 (a) Name of
Issuer
Item 1 (b) Address
of Issuers Principal Executive Offices:
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10 Longs Peak Drive, P.O. Box 5000
Broomfield, CO 80021-2510
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Item 2 (a) Name of
Person Filing:
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Vanguard Fiduciary Trust Company, in its capacity as trustee for certain employee benefit plan(s).
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Item 2 (b) Address
of Principal Business Office or, if none, residence
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500 Admiral Nelson Blvd.
Malvern, PA 19355
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Item 2 (c) Citizenship
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Vanguard Fiduciary Trust Company is a trust company organized under the laws of
the Commonwealth of Pennsylvania
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Item 2 (d) Title of Class of Securities
Item 2 (e) CUSIP Number
Item 3 Type of Filing:
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If this statement is filed pursuant to Rule 13d-1(b), or 13d-2(b) or (c), check whether the
person filing is a:
(b)
X
Bank as defined in Section 3(a)(6) of the Act.
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Item 4 Ownership:
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(a) Amount Beneficially Owned:
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(c) Number of shares as to which such person has:
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(i) sole power to vote or to direct the vote: None
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(ii) shared power to vote or to direct the vote: 5,845,651 Shares*
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(iii) sole power to dispose or to direct the disposition of: None
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(iv) shared power to dispose or to direct
the disposition of: 5,845,651 Shares**
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* Vanguard Fiduciary Trust Company is
the trustee of certain employee benefit plans, which are subject to the Employee
Retirement Income Security Act of 1974, as amended ("ERISA"). Shares of the issuer's
Common Stock are held in trust for the benefit of employees in the plans. As of December
31, 2007, the trustee held 5,845,651 shares of the issuer's Common Stock on behalf of the
plans, all of which had been allocated to plan participants. The plan trustee votes
shares allocated to participant accounts as directed by participants subject to Section
404 of ERISA.
**Shares of Common Stock are held in
the issuer's employee benefit plans in various accounts and were allocated by the source
of contribution (employer, the predecessor to the employer or the employee). Shares of
Common Stock held by the trustee on behalf of the plans may be disposed of by the plans
or the trustee only in accordance with the terms of the plans.
Item 5. Ownership
of Five Percent or Less of a Class.
Item 6. Ownership
of More than Five Percent on Behalf of Another Person.
All
of the securities are beneficially held by Vanguard Fiduciary Trust Company in its
fiduciary capacity, as trustee of certain employee benefit plans. As a result,
participants in the plans are entitled to receive dividends or proceeds from the sale of
shares reported in this Schedule 13G in accordance with the terms of the plans.
Item 7. Identification and
Classification of the Subsidiary Which Acquired the Security Being Reported on By the
Parent Holding Company.
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Item 8. Identification and
Classification of Members of the Group.
Item 9. Notice of Dissolution of
Group.
Item 10. Certification.
By
signing below I certify that, to the best of my knowledge and belief, the securities
referred to above were acquired and are held in the ordinary course of business and were
not acquired and are not held for the purpose or with the effect of changing or
influencing the control of the issuer of the securities and were not acquired and are not
held in connection with or as a participant in any transaction having that purpose or
effect.
Vanguard
Fiduciary Trust Company disclaims beneficial ownership of all shares held in trust by the
trustee that have been allocated to the individual accounts of participants in the plans
for which directions have been received, pursuant to Rule 13d-4 under the Securities
Exchange Act of 1934.
Signature
After reasonable inquiry and to the
best of my knowledge and belief, I certify that the information set forth in this
statement is true, complete and correct.
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Date:
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February 7, 2008
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Vanguard Fiduciary Trust Company, Trustee
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By: /s/ Michael Kimmel
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Name: Michael Kimmel
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Title: Secretary
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