Benefit Plans - Components of Net Periodic Pension Cost (Detail) - Pension Plans [Member] - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Oct. 02, 2016	Sep. 27, 2015	Oct. 02, 2016	Sep. 27, 2015
Defined Benefit Plan Disclosure [Line Items]
Service cost	$ 28	$ 35	$ 85	$ 105
Interest cost	3,031	2,974	9,093	8,921
Expected return on plan assets	(3,458)	(3,388)	(10,373)	(10,162)
Recognized net actuarial loss	741	795	2,222	2,386
Amortization of prior service cost	7	9	21	27
Net periodic pension cost	$ 349	$ 425	$ 1,048	$ 1,277