Retirement Plans - Net Pension Expense (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 29, 2013	Sep. 30, 2012	Sep. 29, 2013	Sep. 30, 2012
Defined Benefit Plan, Net Periodic Benefit Cost [Abstract]
Expense, net	$ 533	$ 87	$ 1,623	$ 574
Domestic Pension Plans [Member]
Defined Benefit Plan, Net Periodic Benefit Cost [Abstract]
Service cost	648	683	1,945	2,050
Interest cost	2,711	2,979	8,134	8,957
Expected return on plan assets	(5,042)	(5,376)	(15,127)	(16,129)
Amortization of prior service cost	138	151	436	453
Amortization of loss	1,921	1,513	5,763	4,549
Additional cost due to retirement				282
Expense, net	376	(50)	1,151	162
Foreign Pension Plans [Member]
Defined Benefit Plan, Net Periodic Benefit Cost [Abstract]
Service cost	28	31	84	93
Interest cost	134	143	398	428
Expected return on plan assets	(103)	(111)	(305)	(331)
Amortization of prior service cost
Amortization of loss	98	74	295	222
Additional cost due to retirement
Expense, net	$ 157	$ 137	$ 472	$ 412