Derivative Instruments (Details) (USD $)	12 Months Ended									0 Months Ended	1 Months Ended	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2013 Foreign Currency Hedge Contract [Member] Designated as Hedging Instrument [Member]	Dec. 31, 2012 Foreign Currency Hedge Contract [Member] Designated as Hedging Instrument [Member]	Dec. 31, 2011 Foreign Currency Hedge Contract [Member] Designated as Hedging Instrument [Member]	Dec. 31, 2013 Foreign Currency Hedge Contract [Member] Not Designated as Hedging Instrument [Member]	Dec. 31, 2012 Foreign Currency Hedge Contract [Member] Not Designated as Hedging Instrument [Member]	Dec. 31, 2011 Foreign Currency Hedge Contract [Member] Not Designated as Hedging Instrument [Member]	Jun. 02, 2012 Planetsoft [Member] Stockholders	Jun. 30, 2012 Planetsoft [Member]	Dec. 31, 2013 Planetsoft [Member]	May 31, 2012 Planetsoft [Member] Stockholders	Dec. 31, 2013 Planetsoft [Member] Fair Value, Measurements, Recurring [Member] Fair Value, Inputs, Level 2 [Member]	Jun. 02, 2012 Planetsoft [Member] Fair Value, Measurements, Recurring [Member] Fair Value, Inputs, Level 2 [Member]	May 31, 2012 Planetsoft [Member] Fair Value, Measurements, Recurring [Member] Fair Value, Inputs, Level 2 [Member]
Derivative [Line Items]
Change in unrealized gain (loss) on foreign currency fair value hedging instruments				$ 0	$ 1,200,000	$ (2,600,000)
Foreign currency transaction, realized gain (loss)							(262,000)	776,000	6,900,000
Number of shareholders										3			3
Put option, exercise period											30 days
Put option, vesting period required prior to exercise											2 years
Shares that may be repurchased under put option											296,560
Put option, price to repurchase shares										$ 16.86
Put option, price to repurchase shares, discount											10.00%
Put option liability	0	1,186,000													1,400,000	1,400,000
Change in fair value of put option	341,000	191,000	537,000									341,000
Derivative Liability, Current	$ 845,000	$ 0												$ 845,000