CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) (Unaudited) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Statement of Comprehensive Income [Abstract]
Net earnings	$ 33,370	$ 22,740	$ 54,313	$ 64,052
Other comprehensive income
Foreign currency translation, net of tax	(9,945)	(19,672)	(41,750)	97
Pension and postretirement adjustments, net of tax	52,865	2,004	55,651	3,458
Other comprehensive income (loss), net of tax	42,920	(17,668)	13,901	3,555
Comprehensive income	$ 76,290	$ 5,072	$ 68,214	$ 67,607