Other Non-Current Assets

12 Months Ended

Dec. 31, 2018

Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]

Other Non-Current Assets

Other Non-Current Assets

Other non-current assets consists of the following (in millions):

	December 31,
	2018		2017
Deferred contract costs, net of accumulated amortization	$	161.3	$	136.1
Property records database	59.9		59.7
Prepaid expenses	18.3		4.0
Contract assets	17.0		—
Deferred compensation plan related assets	11.1		11.7
Unrealized gains on interest rate swaps	6.2		6.7
Unbilled receivables	5.0		14.6
Other	8.1		7.3
Other non-current assets	$	286.9	$	240.1