Fair Value Measurements (Tables)

12 Months Ended

Dec. 31, 2014

Fair Value Disclosures [Abstract]

Assets and Liabilities Measured at Fair Value on a Recurring Basis

The following table presents the fair values of an investment in marketable equity securities, related to publicly traded stock of a non-U.S. company, recorded in Other assets, net in the accompanying Consolidated Balance Sheets (in millions):

	As of December 31,
	2014		2013
Quoted Prices in Active Markets for Identical Assets (Level 1):
Investment in marketable equity securities	$	5.3	$	4.4

Other Fair Value Measurements

The following table presents the fair value for our senior unsecured notes in Long-term debt (in millions):

	As of December 31,
	2014		2013
Quoted Prices in Active Markets for Similar Instruments (Level 2):
Senior unsecured notes	$	210.6	$	214.0