Long-Lived Assets (Details Textual) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Goodwill And Intangible Assets Disclosure [Abstract]
Total amortization expense	$ 6.3	$ 6.8	$ 18.2	$ 20.1
Estimated total amortization expense 2016	24.3		24.3
Estimated total amortization expense 2017	20.3		20.3
Estimated total amortization expense 2018	15.1		15.1
Estimated total amortization expense 2019	10.6		10.6
Estimated total amortization expense 2020	$ 6.2		$ 6.2