Fair Value of Financial Instruments (Tables)

3 Months Ended

Mar. 31, 2013

Fair value of financial instruments [Abstract]

Available For Sale Securities [Text Block]

				March 31,	December 31,
(In millions)				2013	2012
Mutual Funds
	Cost		$	3.7	4.3
	Gross unrealized gains			1.2	1.0
		Fair value	$	4.9	5.3

Fixed Rate Debt [Table Text Block]

			March 31,	December 31,
(In millions)			2013	2012
DTA bonds
	Carrying value	$	43.2	43.2
	Fair value		43.1	43.4
Unsecured notes issued in a private placement
	Carrying value		100.0	100.0
	Fair value		109.6	110.5