Consolidated Statements of Comprehensive Income (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012		Dec. 31, 2011		Dec. 31, 2010
Net income	$ 95,249		$ 64,715		$ 53,278
Other comprehensive income (loss), net of tax
Unrealized (loss) gain on hedging activities, net of tax (1)	(635)	[1]	381	[1]	1,446	[1]
Unrealized (loss) gain on hedging activities, tax	(513)		232		857
Foreign currency translation adjustments, net of tax (2)	24,678	[2]	2,514	[2]	16,973	[2]
Foreign currency translation adjustment, tax	1,262		(296)		861
Defined benefit pension and other postretirement benefits, net of tax (3)	(15,741)	[3]	(41,355)	[3]	(5,517)	[3]
Defined benefit pension and other postretirement benefits, tax	(7,994)		(25,605)		(2,340)
Total other comprehensive income (loss), net of tax	8,302		(38,460)		12,902
Total comprehensive income	$ 103,551		$ 26,255		$ 66,180

[1] Net of tax of $(513), $232 and $857 for the years ended December 31, 2012, 2011 and 2010, respectively.

[2] Net of tax of $1,262, $(296) and $861 for the years ended December 31, 2012, 2011 and 2010, respectively.

[3] Net of tax of $(7,994), $(25,605) and $(2,340) for the years ended December 31, 2012, 2011 and 2010, respectively.