Fair Value Measurement - Non-Financial Assets Measured and Recorded at Fair Value on a Non-Recurring (Detail) (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 29, 2014
Carrying Value [Member]
Assets, Fair Value Disclosure [Abstract]
Long-lived assets	$ 0
Quoted Prices in Active Markets for Identical (Level 1) [Member]
Assets, Fair Value Disclosure [Abstract]
Long-lived assets	0
Significant Other Observable Inputs (Level 2) [Member]
Assets, Fair Value Disclosure [Abstract]
Long-lived assets	0
Significant Unobservable Inputs (Level 3) [Member]
Assets, Fair Value Disclosure [Abstract]
Long-lived assets	0
Loss during the period [Member]
Assets, Fair Value Disclosure [Abstract]
Long-lived assets	$ 79