CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME [Abstract]
Net earnings	$ 106,785	$ 73,646	$ 113,295
Cash flow hedges adjustment, net of tax of $61, $153 and $50, respectively	(160)	423	(134)
Pension adjustment, net of tax of $613, $226 and $3,675 respectively	777	1,598	5,294
Foreign currency translation on net investment hedges	7,542	12,677	(4,020)
Tax effect of current year activity on net investment hedges	(2,966)	(4,947)	1,810
Foreign currency translation on long-term intercompany loans	(10,681)	(8,325)	5,781
Other foreign currency translation	(79,446)	(92,556)	1,856
Total Comprehensive Income (Loss)	$ 21,851	$ (17,484)	$ 123,882