Income Taxes (Details) - USD ($) $ in Millions	1 Months Ended	3 Months Ended
	Oct. 31, 2016	Sep. 30, 2016	Sep. 30, 2015	Jun. 30, 2016
Income Tax Disclosure [Abstract]
Income tax expense (benefit)		$ 0.9	$ 7.2
Income tax expense as a percent of pre-tax income (loss)		17.00%	44.70%
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Discrete tax tax charge		$ 2.1	$ 2.0
Indefinitely reinvested foreign earnings				$ 106.5
General Retirement Plan | Subsequent Event
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Discretionary contribution	$ 100.0