Fair Value Measurement (Tables)

9 Months Ended

Sep. 30, 2013

Fair Value Disclosures [Abstract]

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

The following table sets forth TCM's liabilities measured at fair value by level within the fair value hierarchy. As required, liabilities were classified in their entirety based on the lowest level of input that is significant to the fair value measurement.

(in millions)	Fair Value at September 30, 2013
	Total		Level 1		Level 2		Level 3
Liabilities:
Senior secured notes	$	386.4	$	—	$	386.4	$	—
Senior unsecured notes	513.2		—		513.2		—
Tangible equity units (tMEDS) (see Note 11)	18.9		—		—		18.9
	$	918.5	$	—	$	899.6	$	18.9

(in millions)	Fair Value at December 31, 2012
	Total		Level 1		Level 2		Level 3
Liabilities:
Senior secured notes	$	363.5	$	—	$	363.5	$	—
Senior unsecured notes	478.9		—		478.9		—
Tangible equity units (tMEDS) (see Note 11)	27.8		—		—		27.8
	$	870.2	$	—	$	842.4	$	27.8