CONSOLIDATED CONDENSED STATEMENTS OF CASH FLOWS - SUPPLEMENTAL - USD ($) $ in Thousands	3 Months Ended
	Apr. 01, 2017	Mar. 26, 2016	Dec. 31, 2016	Dec. 26, 2015
RECONCILIATION OF CASH AND CASH EQUIVALENTS AND RESTRICTED CASH:
Cash and cash equivalents	$ 31,020	$ 43,065	$ 34,091	$ 87,756
Restricted cash	4,709	1,139	398	586
Cash, cash equivalents, and restricted cash	35,729	44,204	$ 34,489	$ 88,342
SUPPLEMENTAL INFORMATION:
Interest paid	497	355
Income taxes paid	2,337	(4,080)
NON-CASH FINANCING ACTIVITIES:
Common stock issued under deferred compensation plans	$ 3,793	$ 2,955