Derivative Financial Instruments (Details) - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Derivative, Notional Amount	$ 128,488	$ 91,913
Swedish kronor
Derivative, Notional Amount	75,098	59,198
British pound sterling
Derivative, Notional Amount	14,226	10,799
Canada, Dollars
Derivative, Notional Amount	13,640	10,203
Brazil, Brazil Real
Derivative, Notional Amount	12,448	281
Japanese yen
Derivative, Notional Amount	5,898	6,440
Japan, Yen
Derivative, Notional Amount	4,586	2,124
Euro
Derivative, Notional Amount	2,152	2,342
Other
Derivative, Notional Amount	$ 440	$ 526