Pension and Postretirement Benefit Plans (Detail) (USD $) In Thousands, unless otherwise specified	1 Months Ended	12 Months Ended
	Mar. 31, 2011	Dec. 31, 2012		Dec. 31, 2012 Pension	Dec. 31, 2011 Pension	Dec. 31, 2012 Other Benefit	Dec. 31, 2011 Other Benefit
Defined Benefit Plan Disclosure [Line Items]
Benefit obligation, beginning of year				$ 393,794	$ 354,125	$ 49,508	$ 55,522
Service cost				2,331	2,297	704	479
Interest cost				16,561	17,284	2,122	2,054
Actuarial loss				2,345	65,636	6,161	5,047
Divestiture of businesses	(24,400)				(28,568)		(10,361)
Currency translation, benefit obligation				678	200
Benefits paid				(16,227)	(15,507)	(3,106)	(3,466)
Medicare Part D reimbursement						220	233
Settlements				(767)	(173)
Administrative costs				(1,452)	(1,463)
Curtailments				(79)	(37)
Projected benefit obligation, end of year				397,184	393,794	55,609	49,508
Balance at beginning of year		243,324	[1]	243,324	261,934
Actual return on plan assets		828		33,946	11,419
Contributions				17,567	6,451
Divestiture of businesses	(7,400)				(19,619)
Benefits paid				(16,227)	(15,507)
Settlements paid				(767)	(173)
Administrative costs				(1,452)	(1,463)
Currency translation, fair value of plan assets				472	282
Balance at end of year		276,863	[1]	276,863	243,324
Funded status, end of year				$ (120,321)	$ (150,470)	$ (55,609)	$ (49,508)

[1] Including those related to divested businesses. See Note 19, "Divestiture-related activities" for additional information.