Debt (Tables)

9 Months Ended

Sep. 30, 2011

Long-term Debt, Unclassified [Abstract]

Schedule Of Long-Term Debt Instruments

	September 30, 2011				December 31, 2010
$ in millions	Carrying Value		Fair Value		Carrying Value	Fair Value
Unsecured Senior Notes*:
5.625% — due April 17, 2012	215.1		220.4		215.1	223.7
5.375% — due February 27, 2013	333.5		344.3		333.5	335.2
5.375% — due December 15, 2014	197.1		208.6		197.1	210.4
Floating rate credit facility expiring June 3, 2016	644.0		644.0		570.0	570.0
Total debt	1,389.7		1,417.3		1,315.7	1,339.3
Less: current maturities of total debt	(215.1	)	(220.4	)	—	—
Long-term debt	1,174.6		1,196.9		1,315.7	1,339.3

* The company’s Senior Note indentures contain certain restrictions on mergers or consolidations. Beyond these items, there are no other restrictive covenants in the indentures.

Analysis Of Borrowings By Maturity

Analysis of Borrowings by Maturity:

$ in millions	September 30, 2011
2012	215.1
2013	333.5
2014	197.1
2016	644.0
Total debt	1,389.7