Accrued Liabilities (Tables)

3 Months Ended

Mar. 31, 2015

Payables and Accruals [Abstract]

Components of accrued liabilities

Accrued liabilities consist of the following (in thousands):

	March 31, 2015		December 30, 2014
Payroll and vacation	$	19,454	$	16,535
Deferred revenue, vendor rebates	5,838		391
Sales tax payable	5,157		4,978
Other	20,405		21,493
	$	50,854	$	43,397