Contract Liabilities and Other Disclosures (Tables)

12 Months Ended

Dec. 31, 2019

Revenue from Contract with Customer [Abstract]

Schedule of changes in contract liabilities

	Deferred Income
	(in millions)
Balance at October 1, 2017	$	(27.3	)
Revenue recognized		10.6
Revenue deferred		(16.9	)
Foreign currency translation adjustments		0.5
Balance at September 30, 2018	$	(33.1	)
Revenue recognized		3.0
Revenue deferred		(2.4	)
Foreign currency translation adjustments		0.5
Balance at December 31, 2018	$	(32.0	)
Revenue recognized		13.5
Revenue deferred		(11.0	)
Acquisitions		(0.4	)
Foreign currency translation adjustments		2.1
Balance at December 31, 2019	$	(27.8	)

Schedule of contract related balances (other than deferred income disclosed above)

	Accounts Receivable		Unbilled Accounts Receivable		Customer Prepayments and Deposits
	(in millions)
At September 30, 2018	$	17.8	$	10.8	$	(3.7	)
At December 31, 2019	$	24.5	$	15.3	$	(1.9	)