Contract Assets and Deferred Revenue (Tables)

6 Months Ended

Jun. 30, 2021

Revenue from Contract with Customer [Abstract]

Net Contract Assets (Liabilities)

Net contract assets (liabilities) are as follows:

	June 30, 2021		December 31, 2020
Contract assets - current	$	47.8	$	44.3
Contract assets - long-term(i)	14.2		20.7
Deferred revenue - current	(242.0)		(257.1)
Deferred revenue - long-term	(143.3)		(137.9)

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

Significant changes in the above contract asset and liability balances were as follows:

	Three Months Ended June 30,				Six Months Ended June 30,
	2021		2020		2021		2020
Revenue recognized that was included in deferred revenue at the beginning of the period	$	63.8	$	68.2	$	162.9	$	149.2