Deferred Contract Costs (Tables)

6 Months Ended

Jun. 30, 2018

Revenue from Contract with Customer [Abstract]

Summary of Deferred Contract Costs

The following table summarizes the breakout of deferred contract costs (in millions):

	June 30, 2018		December 31, 2017
Prepaid expenses and other current assets	$	2.3	$	1.6
Other assets	15.1		11.6
Total deferred contract costs	$	17.4	$	13.2