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Subsequent Event (Notes)	3 Months Ended
	May 05, 2018
Subsequent Event [Line Items]
Subsequent Events [Text Block]	Subsequent Events On May 31, 2018, the Company announced the commencement of separate private offers to eligible holders to exchange certain of its outstanding 2020 Notes, 2021 Notes and 2022 Notes (collectively, the "offers") for a series of its newly issued debt securities due 2027 and cash. The offers will expire on June 27, 2018 with a potential early settlement date of June 18, 2018, subject to certain terms and conditions. Subsequent to May 5, 2018, the Company repurchased an additional 1.2 million shares of common stock for $42 million under the March 2018 repurchase program.

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- Definition

Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

+ References

No definition available.

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- Definition

The entire disclosure for significant events or transactions that occurred after the balance sheet date through the date the financial statements were issued or the date the financial statements were available to be issued. Examples include: the sale of a capital stock issue, purchase of a business, settlement of litigation, catastrophic loss, significant foreign exchange rate changes, loans to insiders or affiliates, and transactions not in the ordinary course of business.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 855
-URI http://asc.fasb.org/topic&trid=2122774

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