Notes Payable (Tables)

3 Months Ended

Mar. 31, 2013

Debt Disclosure [Abstract]

Schedule of Long-term Debt Instruments [Table Text Block]

Total debt outstanding at March 31, 2013 and December 31, 2012 was:

(Dollars in Millions)	Mar 31, 2013		Dec 31, 2012
Senior Notes at Amortized Cost:
6.00% Senior Notes due May 15, 2017	$	357.4	$	357.3
6.00% Senior Notes due November 30, 2015	248.7		248.6
Mortgage Note Payable at Amortized Cost	5.5		5.5
Notes Payable at Amortized Cost	$	611.6	$	611.4

Schedule of Interest Expense [Table Text Block]

Interest Expense, including facility fees, accretion of discount and write-off of unamortized issuance costs from the former credit agreement, for the three months endedMarch 31, 2013 and 2012 was:

	Three Months Ended
(Dollars in Millions)	Mar 31, 2013			Mar 31, 2012
Notes Payable under Revolving Credit Agreements	$	0.3		$	1.0
Senior Notes Payable:
6.00% Senior Notes due May 15, 2017	5.5			5.5
6.00% Senior Notes due November 30, 2015	3.9			3.9
Mortgage Note Payable	0.1			0.1
Interest Expense before Capitalization of Interest	9.8			10.5
Capitalization of Interest	(0.3		)	(0.8		)
Total Interest Expense	$	9.5		$	9.7

Schedule of Interest Paid [Table Text Block]

Interest paid, including facility fees and credit agreement issuance costs, for the three months endedMarch 31, 2013 and 2012 was:

	Three Months Ended
(Dollars in Millions)	Mar 31, 2013		Mar 31, 2012
Notes Payable under Revolving Credit Agreements	$	—	$	1.7
Mortgage Note Payable	0.1		0.1
Total Interest Paid	$	0.1	$	1.8