Contract Assets and Contract Liabilities (Tables)

6 Months Ended

Jun. 30, 2019

Revenue from Contract with Customer [Abstract]

Net Contract Assets (Liabilities)

Significant changes during the three and six months ended June 30, 2019 and 2018 in the above contract asset and liability balances were as follows:

	Three Months Ended June 30,				Six Months Ended June 30,
	2019		2018		2019		2018
Revenue recognized that was included in deferred revenue at December 31, 2018	$	85.7			$	190.6
Revenue recognized that was included in deferred revenue at December 31, 2017			$	86.3			$	190.9

Net contract assets (liabilities) as of June 30, 2019 and December 31, 2018 are as follows:

	June 30, 2019			December 31, 2018
Contract assets - current	$	32.7		$	29.7
Contract assets - long-term(i)	24.5			22.2
Deferred revenue - current	(288.3		)	(294.4		)
Deferred revenue - long-term	(147.0		)	(157.2		)

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