Share Repurchase Program - Additional Information (Detail) (USD $)	1 Months Ended	6 Months Ended
Oct. 31, 2010	Jun. 29, 2013
Equity [Abstract]
Duration of share repurchase program (in years)	3 years
Shares authorized for repurchase program	$ 400,000,000
Remaining amount for repurchase under the share repurchase program		$ 124,095,000

Period which shares may be purchased under a stock repurchase plan authorized by an entity's Board of Directors, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

No definition available.

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration