Other Comprehensive Income (Loss)-Schedule Of Tax Effects Allocated To Each Component Of Other Comprehensive Income (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Other Comprehensive Income (Loss), Net of Tax [Abstract]
Unrealized (losses) gains arising during the period, Before-Tax Amount	$ (557)	$ 793
Unrealized (losses) gains arising during the period, Tax (Expense) Benefit	217	(296)
Unrealized (losses) gains arising during the period, Net-of-Tax Amount	(340)	497
Less: reclassification adjustments for (gains) losses realized in net (loss) income, Before-Tax Amount	0	0
Less: reclassification adjustments for (gains) losses realized in net (loss) income, Tax (Expense) Benefit	0	0
Less: reclassification adjustments for (gains) losses realized in net (loss) income, Net-of-Tax Amount	0	0
Net unrealized gains (losses), Before-Tax Amount	(557)	793
Net unrealized gains (losses), Tax (Expense) Benefit	217	(296)
Net unrealized gains (losses), Net of Tax	(340)	497
Foreign currency translation gain, Before-Tax Amount	5,080	(3,176)
Foreign currency translation gain, Tax (Expense) Benefit	(3)	(4)
Foreign currency translation gain, Net of tax amount	5,077	(3,180)
Net unrealized fair value adjustment on derivatives designated as cash flow hedges, Before-Tax Amount	0	391
Net unrealized fair value adjustment on derivatives designated as cash flow hedges, Tax (Expense) Benefit	0	(141)
Fair value adjustment on derivatives designated as cash flow hedges arising during the period, net of tax amount	0	250
Less: reclassification adjustments for cash flow hedges settled and included in net (loss) income, Before-Tax Amount	0	108
Less: reclassification adjustments for cash flow hedges settled and included in net (loss) income, Tax (Expense) Benefit	0	(39)
Less: reclassification adjustments for cash flow hedges settled and included in net income (loss), net of tax amount	0	(69)
Net unrealized fair value adjustment on derivatives designated as cash flow hedges, Before-Tax Amount	0	499
Net unrealized fair value adjustment on derivatives designated as cash flow hedges, Tax (Expense) Benefit	0	(180)
Less: reclassification adjustments for cash flow hedges settled and included in net (loss) income	0	319
Other comprehensive income, Before-Tax Amount	4,523	(1,884)
Other comprehensive income, Tax (Expense) Benefit	214	(480)
OTHER COMPREHENSIVE INCOME (LOSS)	$ 4,737	$ (2,364)