Schedule of Net Periodic Pension and Postretirement Benefit (Income) Cost (Detail) - USD ($) $ in Thousands	3 Months Ended
	Apr. 03, 2016	Apr. 05, 2015
Defined Benefit Plan Disclosure
Net actuarial gain	$ (1,193)
United States Pension Plans, Defined Benefit
Defined Benefit Plan Disclosure
Service cost	576	$ 616
Interest cost	3,414	3,282
Expected return on plan assets	(3,443)	(3,624)
Amortization of prior service benefit	24	33
Net actuarial gain	(1,193)
Total net periodic	(622)	307
Foreign Pension Plans, Defined Benefit
Defined Benefit Plan Disclosure
Service cost	207	247
Interest cost	206	358
Expected return on plan assets	(5)	(195)
Settlement	(239)
Total net periodic	169	410
Postretirement Benefit Plans
Defined Benefit Plan Disclosure
Service cost	10	12
Interest cost	56	59
Amortization of prior service benefit	(150)	(149)
Total net periodic	$ (84)	$ (78)