Change in Accumulated Other Comprehensive Income (Loss) (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance, accumulated other comprehensive income (loss), net of tax	$ (159,353)	$ (51,880)
Current-period other comprehensive income	27,305	(92,797)
Divestiture of businesses		(14,611)
Discontinued operations		(65)
Ending balance, accumulated other comprehensive income (loss), net of tax	(132,048)	(159,353)
Cash Flow Hedging
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance, accumulated other comprehensive income (loss), net of tax	(7,257)	(15,262)
Current-period other comprehensive income	6,876	8,070
Discontinued operations		(65)
Ending balance, accumulated other comprehensive income (loss), net of tax	(381)	(7,257)
Pension, Postretirement Benefit Paln
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance, accumulated other comprehensive income (loss), net of tax	(134,548)	(95,746)
Current-period other comprehensive income	7,291	(47,878)
Divestiture of businesses		9,076
Ending balance, accumulated other comprehensive income (loss), net of tax	(127,257)	(134,548)
Foreign Currency Translation Adjustment
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance, accumulated other comprehensive income (loss), net of tax	(17,548)	59,128
Current-period other comprehensive income	13,138	(52,989)
Divestiture of businesses		(23,687)
Ending balance, accumulated other comprehensive income (loss), net of tax	$ (4,410)	$ (17,548)