Fair Value of Financial Instruments (Tables)

3 Months Ended

Mar. 31, 2016

Fair Value Disclosures [Abstract]

Assets and Liabilities Carried at Fair Value Measured on Recurring Basis

The following table provides the assets and liabilities carried at fair value measured on a recurring basis as of March 31, 2016 and December 31, 2015:

(In millions)
	Fair Value Measurements at March 31, 2016 Using
	Total carrying value at March 31, 2016		QuotedPricesin Active Markets (Level 1)		Other Observable (Level 2)		Significant Unobservable (Level 3)
Money market fund	$	24.1	$	24.1	$	—	$	—
Long-term debt	$	6.0	$	—	$	—	$	6.0

	Fair Value Measurements at December 31, 2015 Using
	Total carrying value at December31, 2015		Quoted Prices in Active Markets (Level 1)		Other Observable (Level 2)		Significant Unobservable (Level 3)
Money market fund	$	13.7	$	13.7	$	—	$	—