Earnings Per Share and Stock Repurchase Activity (Details 3) (USD $) In Thousands, unless otherwise specified	0 Months Ended	9 Months Ended
Jun. 22, 2010	Sep. 01, 2012
Stock Repurchase Program [Line Items]
Stock Repurchase Program, Remaining Authorized Repurchase Amount		$ 187,682
Stock Repurchase Program, Authorized Amount	$ 250,000

The remaining repurchase amount authorized by an entity's Board of Directors under a stock repurchase plan.

No definition available.

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration