CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) (Unaudited) - USD ($) $ in Thousands		3 Months Ended		6 Months Ended
		Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Statement of Comprehensive Income [Abstract]
Net earnings		$ 25,737	$ 36,391	$ 41,728	$ 71,555
Other comprehensive income
Foreign currency translation, net of tax (1)	[1]	31,881	17,737	(24,592)	7,820
Pension and postretirement adjustments, net of tax (2)	[2]	2,366	914	4,769	1,700
Other comprehensive income (loss), net of tax		34,247	18,651	(19,823)	9,520
Comprehensive income		$ 59,984	$ 55,042	$ 21,905	$ 81,075

[1] The tax benefit included in other comprehensive income for foreign currency translation adjustments for the three and six months ended June 30, 2015 were $0.7 million and $2.9 million, respectively. The tax benefit included in other comprehensive income for foreign currency translation adjustments for the three and six months ended June 30, 2014 were and $0.4 million and $0.7 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, 2015 were $1.4 million and $2.7 million, respectively. The tax expense included in other comprehensive income for pension and postretirement adjustments for the three and six months ended June 30, 2014 were and $0.5 million and $0.9 million, respectively.