Fair Value of Financial Instruments (Tables)

12 Months Ended

Dec. 31, 2013

Fair value of financial instruments [Abstract]

Fixed Rate Debt [Table Text Block]

			December 31,
(In millions)			2013	2012
DTA bonds
	Carrying value	$	43.2	43.2
	Fair value		42.8	43.4
Unsecured notes issued in a private placement
	Carrying value		100.0	100.0
	Fair value		105.8	110.5