SUPPLEMENTAL CASH FLOW INFORMATION

12 Months Ended

Dec. 31, 2011

Supplemental Cash Flow Information [Abstract]



	Years Ended December 31,
	2011		2010			2009
Supplemental schedule of cash flow information:
Cash paid during period for:
Interest	$	99.6	$	55.5		$	50.7
Income taxes, net of refunds	309.4		355.0			304.1
Disclosure of non-cash financing and investing activities:
Surrender of restricted stock awards and performance shares	6.0		2.4			2.7
Conversion of zero-coupon convertible debt	36.2		1.1			11.4
Accrued repurchases of common stock	—		(0.5		)	0.5
Purchase of equipment in accrued expenses	—		—			2.8

- Definition

The entire disclosure for supplemental cash flow activities, including cash, noncash, and part noncash transactions, for the period. Noncash is defined as information about all investing and financing activities of an enterprise during a period that affect recognized assets or liabilities but that do not result in cash receipts or cash payments in the period. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period.

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