Other (Expense) Income, Net (Tables)

12 Months Ended

Sep. 30, 2016

Other Nonoperating Income (Expense) [Abstract]

Other Income (Expense), Net

	Year Ended September 30,
	2016			2015			2014
Equity in net income (loss) of affiliates	$	0.3		$	(2.1	)	$	2.8
Foreign currency exchange gain (loss), net	0.3			(4.4		)	(1.5		)
Gain on exercise of warrants	—			—			5.2
Service cancellation agreement	—			—			2.5
Other, net	(2.3		)	(1.4		)	(0.3		)
Other (expense) income, net	$	(1.7	)	$	(7.9	)	$	8.7