Basis of Presentation - Summary of Accumulated Other Income (Details) (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Foreign currency translation adjustments, Before Tax Amount	$ 3,247	$ (583)
Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Tax	(5,965)	1,939
Foreign currency translation adjustments, Net of Tax	(2,718)	1,356
Unrealized holding gain arising during period, Before-Tax Amount	(158)	(251)
Unrealized holding gain arising during period, Tax (Expense) or Benefit	55	87
Unrealized holding gain arising during period, Net-of-tax Amount	(103)	(164)
Less: Reclassification adjustments for (gain) loss included in net income, Before-Tax Amount	149	237
Less: Reclassification adjustments for (gain) loss included in net income, Tax (Expense) or Benefit	(52)	(83)
Less: Reclassification adjustments for (gain) loss included in net income, Net-of-Tax Amount	97	154
Net unrealized gain (loss) on cash flow hedging instruments, Before-Tax Amount	502	(79)
Net unrealized gain (loss) on cash flow hedging instruments, Tax (Expense) or Benefit	(176)	28
Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Net of Tax	326	(51)
Other Comprehensive Income (Loss), before Tax	3,740	(676)
Other comprehensive income (loss), Tax (Expense) or Benefit	(6,138)	1,971
Other comprehensive income (loss), Net-of-tax Amount	$ (2,398)	$ 1,295