Benefit Plans - Net Periodic Pension Cost (Benefit) (Detail) - USD ($) $ in Thousands	12 Months Ended
	Jan. 03, 2016	Dec. 28, 2014	Dec. 29, 2013
Defined Benefit Plan Disclosure [Line Items]
Loss on voluntary pension settlement	$ 0	$ 0	$ 12,014
Pension Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost	116	109	121
Interest cost	11,875	11,603	12,014
Expected return on plan assets	(13,541)	(13,775)	(13,797)
Loss on voluntary pension settlement	0	0	12,014
Amortization of prior service cost	35	36	28
Recognized net actuarial loss	3,230	1,743	3,027
Net periodic pension cost (benefit)	$ 1,715	$ (284)	$ 13,407