Schedule Of Components Of Net Pension And Postretirement Periodic Benefit Cost (Income) (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Oct. 02, 2011	Sep. 30, 2012	Oct. 02, 2011
U.S. Defined Benefit Plans
Defined Benefit Plan Disclosure [Line Items]
Interest cost	$ 2,983	$ 3,029	$ 8,948	$ 9,088
Expected return on plan assets	(2,592)	(2,689)	(7,775)	(8,066)
Transition asset	0	0	0	0
Actuarial loss	888	563	2,664	1,689
Prior service cost	0	0	0	0
Net pension and postretirement periodic benefit cost (income)	1,279	903	3,837	2,711
Non U.S. Defined Benefit Plans
Defined Benefit Plan Disclosure [Line Items]
Interest cost	486	529	1,480	1,585
Expected return on plan assets	(523)	(517)	(1,592)	(1,552)
Transition asset	(33)	(33)	(101)	(100)
Actuarial loss	161	163	489	490
Prior service cost	0	0	0	0
Net pension and postretirement periodic benefit cost (income)	91	142	276	423
Other Postretirement Benefit Plans
Defined Benefit Plan Disclosure [Line Items]
Interest cost	34	40	102	120
Expected return on plan assets	0	0	0	0
Transition asset	0	0	0	0
Actuarial loss	0	0	0	0
Prior service cost	(41)	(40)	(124)	(120)
Net pension and postretirement periodic benefit cost (income)	$ (7)	$ 0	$ (22)	$ 0