Revenue Recognition (Tables)

6 Months Ended

Jun. 30, 2018

Revenue Recognition and Deferred Revenue [Abstract]

Reconciliation of Changes in Contract Assets and Liabilities

The following table presents changes in the Company’s contract assets and liabilities during the six months ended June 30, 2018:

(In millions)	As of January 1, 2018		Increase, net		As of June 30, 2018
Contract assets:
Unbilled receivables	$	42.7	$	13.3	$	56.0
Contract liabilities:
Deferred revenue	—		5.9		5.9