Supplemental Cash Flow Data

12 Months Ended

Dec. 31, 2011

Supplemental Cash Flow Data [Abstract]

Supplemental Cash Flow Data [Text Block]

Supplemental Cash Flow Data

Changes in operating capital for the three years ended December 31, 2011 were (in millions):

	2011			2010			2009
(Increase) decrease in accounts receivable	$	(471.4	)	$	(292.4	)	$	410.9
(Increase) decrease in work in process and other current assets	(53.2		)	(209.7		)	113.9
Increase (decrease) in accounts payable	262.7			455.9			(10.2		)
Increase (decrease) in customer advances and other current liabilities	(4.5		)	183.2			(75.9		)
Change in other assets and liabilities, net	295.6			173.3			125.7
	$	29.2		$	310.3		$	564.4
Income taxes paid	$	365.4		$	293.3		$	270.4
Interest paid	$	153.9		$	140.8		$	86.8