Contract Liabilities and Other Disclosures (Tables)

6 Months Ended

Jun. 30, 2021

Contract Liabilities And Other Disclosures

Schedule of Contract Related Balances

The following table summarizes contract related balances:

	Accounts Receivable		Unbilled Accounts Receivable		Deferred Income			Customer Prepayments and Deposits
	(in millions)
At June 30, 2021	$	24.1	$	14.9	$	(17.2	)	$	(2.1	)
At December 31, 2020	$	30.4	$	8.2	$	(22.9	)	$	(1.6	)
At December 31, 2019	$	24.5	$	15.3	$	(27.8	)	$	(1.9	)