Equity - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	0 Months Ended	3 Months Ended
Nov. 21, 2013	Mar. 29, 2014
Equity, Class of Treasury Stock [Line Items]
Stock repurchase authorized amount	$ 30.0
Stock repurchase remains available for future stock repurchase		$ 27.3

Amount remaining of a stock repurchase plan authorized by an entity's Board of Directors.

No definition available.

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