Income Taxes (Details) (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013	Dec. 31, 2013
Income Tax Disclosure [Abstract]
Effective income tax rate, continuing operations			(46.60%)	25.00%
Gross unrecognized tax benefits, net of interest and penalties	$ 800,000		$ 800,000		$ 1,300,000
Tax benefit recognized due to expiration of statute of limitations	0	0	600,000	500,000
Income tax expense (benefit), intraperiod tax allocation	(300,000)	0	(1,900,000)	0
Total income tax payments, net of refunds	3,525,000	2,715,000	8,678,000	12,254,000
Less: credits or offsets	934,000	435,000	2,794,000	2,159,000
Cash paid, net	2,591,000	2,280,000	5,884,000	10,095,000
NETHERLANDS
Valuation Allowance [Line Items]
Valuation Allowance, Deferred Tax Asset, Length Of Cumulative Income Position			3 years
Deferred Tax Assets, Valuation Allowance					$ 9,200,000