Fair Value Measurement (Tables)

12 Months Ended

Dec. 31, 2017

Schedule of financial assets and liabilities measured at fair value on a recurring basis and basis of measurement

The following table sets forth the Company's financial assets measured at fair value on a recurring basis and the basis of measurement at December 31, 2017 and 2016:



	Fair Value at December 31, 2017						Fair Value at December 31, 2016
(millions)	Level 1		Level 2		Level 3		Level 1		Level 2		Level 3
Assets
Prepaid expenses and other
Contingent consideration receivable	$	—	$	—	$	—	$	—	$	—	$	0.5
Interest Rate Swaps	—		—		—		—		0.1		—
Total	$	—	$	—	$	—	$	—	$	0.1	$	0.5

Schedule of reconciliation of the beginning and ending balances for liabilities measured at fair value using significant unobservable inputs (level 3)

The following table provides a reconciliation of the beginning and ending balances for the contingent consideration obligation measured at fair value using significant unobservable inputs (Level 3):



(millions)	Due to Seller
Balance as of December 31, 2014	$	(0.3	)
Increase related to new acquisitions	—
Payment of contingent consideration	0.1
Change in fair value	0.2
Balance as of December 31, 2015	$	—
Increase related to new acquisitions	—
Payment of contingent consideration	—
Change in fair value	—
Balance as of December 31, 2016	$	—
Increase related to new acquisitions	—
Payment of contingent consideration	—
Change in fair value	—
Balance as of December 31, 2017	$	—

Schedule of carrying and estimated fair values of the Company's financial instruments

The following table presents the carrying amounts and estimated fair values of financial instruments not measured at fair value in the Consolidated Balance Sheets at December 31, 2017 and 2016:



	2017				2016
(millions)	Carrying Amount		Fair Value		Carrying Amount		Fair Value
Cash and cash equivalents	$	22.8	$	22.8	$	22.2	$	22.2
Long-term borrowings
Restated Credit Facility, net of original discount on borrowings and deferred financing costs	$	151.0	$	151.0	$	193.4	$	193.4
Other obligations	$	2.8	$	2.8	$	1.7	$	1.7