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Senior Notes	9 Months Ended
	Sep. 30, 2012
Senior Notes
Senior Notes	3.     Senior Notes         As of September 30, 2012 the Company had $200.0 million aggregate principal amount of 6.375% Senior Notes due 2042 (the "2042 Senior Notes"). The unsecured 2042 Senior Notes pay interest quarterly and may be redeemed by the Company at any time, on or after August 15, 2017. The 2042 Senior Notes' indenture includes customary provisions regarding events of default.         In October 2012, the Company sold $140.0 million aggregate principal amount of 5.25% Senior Notes due 2022 (the "2022 Senior Notes"). The unsecured 2022 Senior Notes pay interest quarterly and may be redeemed at any time, on or after October 15, 2015. The 2022 Senior Notes' indenture includes customary provisions regarding events of default.         The Company used the net proceeds from both the 2042 Senior Notes and the 2022 Senior Notes to repay outstanding indebtedness under its revolver.

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- Definition

The entire disclosure for long-term debt.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.22)

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



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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 22

-Article 5

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