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Contract Assets and Contract Liabilities (Tables)

9 Months Ended

Sep. 30, 2020

Revenue from Contract with Customer [Abstract]

Net contract assets (liabilities) as of September 30, 2020 and December 31, 2019 are as follows:


	September 30, 2020		December 31, 2019
Contract assets - current	$	47.0	$	38.4
Contract assets - long-term⁽ⁱ⁾	21.3		21.6
Deferred revenue - current	(197.4)		(246.4)
Deferred revenue - long-term	(122.5)		(147.0)

⁽ⁱ⁾Reported in other long-term assets on the company’s consolidated balance sheets

Significant changes during the three and nine months ended September 30, 2020 and 2019 in the above contract asset and liability balances were as follows:


	Three Months Ended September 30,						Nine Months Ended September 30,
	2020		2019		2020		2019
Revenue recognized that was included in deferred revenue at the beginning of the period	$	48.1	$	30.1	$	197.3	$	202.1