Accumulated Other Comprehensive Loss - Narrative (Details) - USD ($) $ in Thousands	12 Months Ended
	Jan. 02, 2016	Jan. 03, 2015	Jan. 04, 2014
Accumulated Other Comprehensive Income (Loss) [Line Items]
Other comprehensive income (loss), net	$ (300)	$ (18,100)	$ 13,700
Actuarial loss recognized in the statements of operations as a component of net periodic pension costs, net of tax	(289)	765	1,752
Tax expense of actuarial losses recognized in the statements of operations as a s component of net periodic pension cost			1,100
Unrecognized actuarial gain (loss) based on updated actuarial assumption included in other comprehensive income, net of tax	(60)	(18,897)	11,997
Tax expense of unrecognized actuarial gain (loss) based on updated actuarial assumption included in other comprehensive income			7,800
Accumulated Defined Benefit Plans Adjustment
Accumulated Other Comprehensive Income (Loss) [Line Items]
Actuarial loss recognized in the statements of operations as a component of net periodic pension costs, net of tax	(289)	765	1,752
Unrecognized actuarial gain (loss) based on updated actuarial assumption included in other comprehensive income, net of tax	$ 699	$ (18,416)	$ 12,158