Accumulated Other Comprehensive Loss (Income) (Tables)

6 Months Ended

Jun. 30, 2019

Equity [Abstract]

Schedule of accumulated other comprehensive (loss) income

	Foreign Currency Translation Adjustments			Change in Fair Value of Hedging Instrument		Unrecognized Pension Benefit Costs		Accumulated Other Comprehensive (Income)
	(in millions)
Balance at September 30, 2018	$	(78.9	)	$	0.1	$	20.3	$	(58.5	)
Change during the period		0.5			0.4		1.9		2.8
Balance at March 31, 2019		(78.4	)		0.5		22.2		(55.7	)
Change during the period		(0.7	)		0.2		2.0		1.5
Balance at June 30, 2019	$	(79.1	)	$	0.7	$	24.2	$	(54.2	)