CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) (Unaudited) - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
		Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Statement of Comprehensive Income [Abstract]
Net earnings		$ 45,932	$ 33,884	$ 118,714	$ 75,612
Other comprehensive income
Foreign currency translation, net of tax	[1]	(12,366)	(37,689)	(26,907)	(62,281)
Pension and postretirement adjustments, net of tax	[2]	1,634	908	4,766	5,677
Other comprehensive loss, net of tax		(10,732)	(36,781)	(22,141)	(56,604)
Comprehensive income (loss)		$ 35,200	$ (2,897)	$ 96,573	$ 19,008

[1] The tax benefit included in other comprehensive loss for foreign currency translation adjustments for the three and nine months ended September 30, 2016 were $0.7 million and $1.0 million, respectively. The tax benefit (expense) included in other comprehensive loss for foreign currency translation adjustments for the three and nine months ended September 30, 2015 were $(0.2) million and $2.8 million, respectively.

[2] The tax expense included in other comprehensive income for pension and postretirement adjustments for the three and nine months ended September 30, 2016 were $0.9 million and $3.0 million, respectively. The tax expense included in other comprehensive income for pension and postretirement adjustments for the three and nine months ended September 30, 2015 were $0.5 million and $3.2 million, respectively.