Taxes on Income (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Income Tax Disclosure [Abstract]
Effective tax rate (percentage)	(17.40%)	7.30%	(2.50%)	6.60%
Current income tax expense	$ 1.7	$ 0.4	$ 4.0	$ 1.9