CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Statement of Comprehensive Income [Abstract]
Net earnings		$ 145,461	$ 113,338	$ 137,981
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent [Abstract]
Foreign currency translation, net of tax	[1]	(87,527)	(79,386)	(6,619)
Pension and postretirement adjustments, net of tax	[2]	(9,990)	(74,284)	87,386
Other Comprehensive Income (Loss), Net of Tax		(97,517)	(153,670)	80,767
Comprehensive Income		$ 47,944	$ (40,332)	$ 218,748

[1] The tax benefit (expense) included in other comprehensive income (loss) for foreign currency translation adjustments for 2015, 2014, and 2013 were $2.7 million, $2.1 million, and ($0.9) million, respectively.

[2] The tax benefit (expense) included in other comprehensive income (loss) for pension and postretirement adjustments for 2015, 2014, and 2013 were $9.5 million, $41.3 million, and ($49.4) million, respectively.