Changes In Shareholders' Equity (Schedule Of Accumulated Other Comprehensive Income) (Detail) (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jul. 01, 2012	Jun. 26, 2011
Divestiture of Marine		$ 8,427
Discontinued operations		(37)
Cash Flow Hedges [Member]
Beginning balance, accumulated other comprehensive income (loss), net of tax	(7,257)	(15,262)
Current-period other comprehensive income (loss)	4,306	3,340
Discontinued operations		(15)
Ending balance, accumulated other comprehensive income (loss), net of tax	(2,951)	(11,937)
Pension and Other Postretirement Benefit Plans [Member]
Beginning balance, accumulated other comprehensive income (loss), net of tax	(134,548)	(95,746)
Current-period other comprehensive income (loss)	2,336	5,619
Divestiture of Marine		8,427
Discontinued operations		(37)
Ending balance, accumulated other comprehensive income (loss), net of tax	(132,212)	(81,737)
Foreign Currency Translation Adjustment [Member]
Beginning balance, accumulated other comprehensive income (loss), net of tax	(17,548)	59,128
Current-period other comprehensive income (loss)	(35,544)	61,840
Divestiture of Marine		(33,424)
Discontinued operations		2,504
Ending balance, accumulated other comprehensive income (loss), net of tax	(53,092)	90,048
Accumulated Other Comprehensive Income (Loss) [Member]
Beginning balance, accumulated other comprehensive income (loss), net of tax	(159,353)	(51,880)
Current-period other comprehensive income (loss)	(28,902)	70,799
Divestiture of Marine		(24,997)
Discontinued operations		2,452
Ending balance, accumulated other comprehensive income (loss), net of tax	$ (188,255)	$ (3,626)