Schedule Of Assets Held Under Capital Leases (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 28, 2013	Dec. 29, 2012
Capital Leased Assets [Line Items]
Assets held under capital leases, Gross	$ 293	$ 286
Less accumulated depreciation	(127)	(107)
Total	166	179
Buildings
Capital Leased Assets [Line Items]
Assets held under capital leases, Gross	228	228
Furniture, fixtures and equipment
Capital Leased Assets [Line Items]
Assets held under capital leases, Gross	$ 65	$ 58