Notes Receivable from Asset Sales (Tables)

12 Months Ended

Dec. 31, 2011

Notes Receivable From Asset Sales [Abstract]

Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block]

Receivables consist of the following:

	December 31,
Dollar amounts in millions	2011			2010
Trade receivables	$	55.9		$	56.2
Interest receivables	1.2			1.1
Other receivables	9.1			10.8
Allowance for doubtful accounts	(1.1		)	(1.3		)
	$	65.1		$	66.8

Notes receivable from asset sales [Table Text Block]

Dollar amounts in millions	Interest  Rate 2011		December 31,
			2011		2010
Notes receivable (unsecured), maturing 2012, interest rates fixed	5.6	%	$	9.9	$	9.9
Notes receivable (secured), maturing 2013-2018, interest rates fixed	7.1 – 7.3%		113.6		113.6
Notes receivable (secured), maturing 2018, interest rate variable			410.0		410.0
Total			533.5		533.5
Current portion			10.0		—
Long-term portion			$	523.5	$	533.5

Schedule Of Notes Receivable Maturity Dates [Table Text Block]

The weighted average interest rate for all notes receivable from asset sales at December 31, 2011 and 2010 was approximately 2.1% and 2.1%. The notes mature as follows:

Dollar amounts in millions
Year ended December 31,
2012	$	10.0
2013	91.4
2014	—
2015	—
2016	—
2017 and after	432.1
Total	$	533.5