Condensed Consolidated Statement of Stockholders' Equity - Unaudited - USD ($) shares in Thousands, $ in Thousands	Total	Common Stock [Member]	Additional Paid-in Capital [Member]	Treasury Stock [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income (Loss) [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Cumulative effect adjustment of the adoption of ASU 2016-09	$ (510)		$ (812)		$ 302
Balance, adjusted	724,729	$ 31	637,143	$ (5,834)	109,389	$ (16,000)
Balance, shares at Dec. 30, 2016		31,059		134
Balance at Dec. 30, 2016	725,239	$ 31	637,955	$ (5,834)	109,087	(16,000)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	12,341				12,341
Other comprehensive income, net	59,592					59,592
Stock-based compensation	9,895		9,895
Net shares issued, shares		717		27
Net shares issued	16,872	$ 1	15,691	$ 1,180
Balance, shares at Sep. 29, 2017		31,776		107
Balance at Sep. 29, 2017	$ 823,429	$ 32	$ 662,729	$ (4,654)	$ 121,730	$ 43,592