Accrued Liabilities (Tables)

12 Months Ended

Dec. 27, 2016

Payables and Accruals [Abstract]

Components of accrued liabilities

Accrued liabilities consist of the following (in thousands):

	December 27, 2016		December 29, 2015
Payroll and vacation	$	20,427	$	19,279
Sales tax payable	5,516		5,648
Other	23,069		19,920
	$	49,012	$	44,847