Fair Value Measurements (Tables)

3 Months Ended

Mar. 31, 2015

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, classified as Level 1 and 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 March 31, 2015		As of December 31, 2014
Investment in marketable equity securities	$	5.5	$	5.3

Other Fair Value Measurements

The following table presents their fair value (in millions):

	As of March 31, 2015		As of December 31, 2014
Senior unsecured notes	$	214.8	$	210.6