CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) (Unaudited) - USD ($) $ in Thousands		3 Months Ended		6 Months Ended
		Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Statement of Comprehensive Income [Abstract]
Net earnings		$ 39,963	$ 25,737	$ 72,782	$ 41,728
Other comprehensive income
Foreign currency translation, net of tax	[1]	(31,646)	31,881	(14,541)	(24,592)
Pension and postretirement adjustments, net of tax	[2]	1,520	2,366	3,132	4,769
Other comprehensive income (loss), net of tax		(30,126)	34,247	(11,409)	(19,823)
Comprehensive income		$ 9,837	$ 59,984	$ 61,373	$ 21,905

[1] The tax benefit included in other comprehensive loss for foreign currency translation adjustments for the three and six months ended June 30, 2016 were $1.3 million and $0.3 million, respectively. The tax benefit included in other comprehensive income (loss) for foreign currency translation adjustments for the three and six months ended June 30, 2015 were $0.7 million and $2.9 million, respectively.

[2] The tax expense included in other comprehensive income for pension and postretirement adjustments for the three and six months ended June 30, 2016 were $1.1 million and $2.1 million, respectively. The tax expense included in other comprehensive income for pension and postretirement adjustments for the three and six months ended June 30, 2015 were $1.4 million and $2.7 million, respectively.