Equity (Details Textual) $ / shares in Units, $ in Thousands	9 Months Ended
	Sep. 30, 2015 USD ($) $ / shares shares
EQUITY (Textual) [Abstract]
Employee Stock Purchase Plan shares issued during period	24,882
Shares of vested stock awards sold back to satisfy tax obligations	62,233
Outstanding unvested equity compensation awards	412,000
Additional equity compensation awards that could vest if certain targets are achieved	170,000
Equity compensation awards granted during the period	151,588
Weighted average grant date fair value of equity awards granted during the period | $ / shares	$ 88.23
Income tax expense, related to change in benefit plans | $	$ 8
Other Comprehensive Income (Loss), Foreign Currency Translation Gain (Loss) Arising During Period, Tax | $	$ (14,902)
Stock Compensation Plan [Member]
EQUITY (Textual) [Abstract]
Vested common stock	183,549
Cash settled UUD [Member]
EQUITY (Textual) [Abstract]
Unvested Dividend Equivalent Value | $	$ 487