Fair Value Measurement of Assets and Liabilities on Recurring Basis (Detail) (USD $) In Thousands, unless otherwise specified	Jun. 28, 2014	Dec. 28, 2013
Assets:
Cash Equivalents	$ 30,527	$ 50,224
Land		3,300
Total	30,527	53,524
Fair Value, Inputs, Level 1
Assets:
Cash Equivalents	30,527	50,224
Total	30,527	50,224
Fair Value, Inputs, Level 3
Assets:
Land		3,300
Total		$ 3,300