Use Of Estimates (Tables)

12 Months Ended

Dec. 31, 2011

Use Of Estimates

Schedule of activity for accounts receivable allowance accounts

	Year ended December 31,
	2011			2010			2009
Balance at beginning of year	$	45.6		$	45.9		$	48.8
Acquisitions		1.2			1.1			0.2
Allowances provided		17.9			18.9			11.6
Write-offs, net of recoveries and credits issued		(22.2	)		(20.3	)		(14.7	)
Balance at end of year	$	42.5		$	45.6		$	45.9

Schedule of accrued expenses

	December 31,
	2011		2010
Employee benefits	$	181.8	$	189.1
Unearned revenue(1)		484.2		481.9
Warranty		46.6		38.9
Other(2)		269.4		275.1
Total	$	982.0	$	985.0

⁽¹⁾

Unearned revenue includes billings in excess of costs and estimated earnings on uncompleted contracts accounted for under the percentage-of-completion method of revenue recognition, customer deposits and unearned amounts on service contracts.

⁽²⁾

Other consists of various items, including legal, interest, restructuring and dividends payable, none of which individually require separate disclosure.

Schedule of product warranty accrual

	Year ended December 31,
	2011			2010			2009
Balance at beginning of year	$	47.7		$	49.2		$	47.9
Acquisitions		7.7			1.7			3.6
Provisions		21.7			20.5			20.9
Usage		(20.4	)		(23.7	)		(23.2	)
Balance at end of year		56.7			47.7			49.2
Less: Current portion of warranty		46.6			38.9			37.5
Non-current portion of warranty	$	10.1		$	8.8		$	11.7