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Debt	6 Months Ended
	Jun. 30, 2013
Debt Disclosure [Abstract]
Debt	Note 4. Debt The Company’s senior revolving credit facility contains restrictive covenants. At June 30, 2013, the Company was in compliance with all debt covenants. On May 13, 2013, the Company signed an amendment to its senior revolving credit facility which increased the availability to $500 million, with a maturity date of May 2016. The accordion feature was also increased from $75 million to $100 million. Borrowings under the facility bear interest, payable monthly, at rates equal to LIBOR of a maturity the Company elects between one month and six months, with a LIBOR floor of 1.00%, plus an applicable margin (which was 3.00% as of June 30, 2013) based on its leverage ratio. Alternatively, the Company may pay interest at a rate based on the prime rate plus an applicable margin (which was 2.00% as of June 30, 2013). The Company also pays an unused line fee of 50 basis points per annum, which declines to 37.5 basis points at certain usage levels, payable monthly.

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- Definition

The entire disclosure for information about short-term and long-term debt arrangements, which includes amounts of borrowings under each line of credit, note payable, commercial paper issue, bonds indenture, debenture issue, own-share lending arrangements and any other contractual agreement to repay funds, and about the underlying arrangements, rationale for a classification as long-term, including repayment terms, interest rates, collateral provided, restrictions on use of assets and activities, whether or not in compliance with debt covenants, and other matters important to users of the financial statements, such as the effects of refinancing and noncompliance with debt covenants.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 505

-SubTopic 10

-Section 50

-Paragraph 3

-URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21475-112644



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 19, 20, 22

-Article 5



Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.19,20,22)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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