Derivative Financial Instruments (Details) (USD $)	6 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2014 3-month LIBOR	Jun. 30, 2014 Euro [Member]	Jun. 30, 2014 Japanese Yen [Member]	Jun. 30, 2014 Swap [Member]	Jun. 30, 2014 Net Investment Hedging [Member]	Dec. 31, 2013 Net Investment Hedging [Member]	Jun. 30, 2014 Net Investment Hedging [Member] Euro [Member]	Dec. 31, 2013 Net Investment Hedging [Member] Euro [Member]	Jun. 30, 2014 Net Investment Hedging [Member] Japanese Yen [Member]	Dec. 31, 2013 Net Investment Hedging [Member] Japanese Yen [Member]	Jun. 30, 2014 Net Investment Hedging [Member] British Pound [Member]	Dec. 31, 2013 Net Investment Hedging [Member] British Pound [Member]	Jun. 30, 2014 Net Investment Hedging [Member] Swap [Member]	Dec. 31, 2013 Net Investment Hedging [Member] Swap [Member]
Derivatives, Fair Value [Line Items]
Notional amount of derivative						$ 32,576,000	$ 42,538,000	$ 14,714,000	$ 21,990,000	$ 3,630,000	$ 4,588,000	$ 3,925,000	$ 5,653,000	$ 10,307,000	$ 10,307,000
Maximum existing foreign currency forward exchange contracts maturity period	12 months
Maximum expected period to recognized deferred amount into earnings	12 months
Expected deferred loss amount to be recognized in OCI	300,000
Loss on cash flow hedge ineffectiveness (less than $0.1 million)			100,000	100,000
Minimum Percentage of Aggregate Principal Amount of Term Loan Required to Maintain Derivative Contracts	35.00%
Minimum Term of Derivative Contracts under Credit Agreement	3 years
Interest Rate Swap, Quarterly Fixed Rate Payments		0.61%
Fair value of Interest Rate Swap (less than $0.1 million)					$ 100,000