Derivatives and Other Financial Instruments - Narrative (Details) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2011	Dec. 31, 2012
Derivative [Line Items]
Cumulative net after-tax gain related to net investment hedges	$ 2,300,000		$ 3,900,000
Net after-tax unrealized gain included in accumulated AOCI expected to be transferred	(100,000)	(100,000)
Gain (loss) on fair value hedge derivatives	(300,000)	(700,000)
Foreign Exchange Forward Contracts [Member]
Derivative [Line Items]
Amount of Loss Recognized in AOCI on Derivative (Effective Portion)	(274,000)	(145,000)
Foreign Exchange Forward Contracts [Member] | Net Investment Hedging [Member]
Derivative [Line Items]
Amount of Loss Recognized in AOCI on Derivative (Effective Portion)	$ (1,400,000)