Stockholders' Equity (Tables)

12 Months Ended

Dec. 31, 2011

Stockholders' Equity [Abstract]

Summary of cash dividends paid

	Total Cash Dividends  Paid			Total Cash Dividends Paid per Common Share
2009		$	75.7	$	0.48
2010			79.7		0.50
2011			87.4		0.52
Total		$	242.8

Summary of changes in common stock

	2011		2010			2009
Changes in common stock:
Number of shares, beginning of year		169,272,636		168,749,681			168,111,815
Shares issued as part of the consideration for the Diversey acquisition		31,699,946		—			—
Restricted stock shares awarded for 2009 Two-Year PSU awards		1,114,139		—			—
Restricted stock shares issued for new awards under the 2005 Contingent Stock Plan		308,650		403,360			516,650
Shares granted and issued under the Directors Stock Plan		18,630		12,500			16,289
Restricted stock shares and units issued for SLO awards		24,515		12,895			3,627
Shares issued for vested restricted stock units		90,100		94,200			101,300
Number of shares issued, end of year		202,528,616		169,272,636			168,749,681
Changes in common stock in treasury:
Number of shares held, beginning of year		9,967,129		9,811,507			10,229,288
Purchase of shares during the period		—		429,458			—
Profit sharing contribution partially paid in stock		—		(346,362	)		(535,000	)
Restricted stock repurchased, withheld or forfeited		499,302		72,526			117,219
Number of shares held, end of year		10,466,431		9,967,129			9,811,507

Non-vested awards under the 2005 Contingent Stock Plan

Non-vested Restricted Stock Shares Awards	2011			Weighted- Average  per Share Market Value on Grant Date
Number of non-vested restricted stock shares, beginning of year		1,188,346		$	19.78
Restricted stock shares issued for new awards during the year		308,650			25.30
Restricted stock shares vested during the year		(271,936	)		23.45
Restricted stock shares forfeited during the year		(41,400	)		17.44
Number of non-vested restricted stock shares, end of year		1,183,660		$	20.45

Non-vested Restricted Stock Units Awards	2011			Weighted- Average  per Share Market Value on Grant Date
Number of non-vested restricted stock units, beginning of year		301,950		$	20.13
Restricted stock units issued for new awards during the year		133,650			24.40
Restricted stock units vested during the year		(90,100	)		22.51
Restricted stock units forfeited during the year		(3,500	)		20.37
Number of non-vested restricted stock units, end of year		342,000		$	21.17

Non-vested Cash Awards	2011
Number of non-vested cash awards, beginning of year		51,000
Cash awards issued for new awards during the year		30,550
Cash awards vested during the year		(22,200	)
Cash awards forfeited during the year		(1,300	)
Number of non-vested cash awards, end of year		58,050

Summary of the changes in common shares available for awards under the 2005 Contingent Stock Plan

	2011(1)			2010(1)			2009(1)
Number of shares available, beginning of year		4,997,297			5,578,005			6,078,597
Additional restricted stock shares available due to 2011 amendment to the 2005 Contingent Stock Plan		4,000,000			—			—
Restricted stock shares issued for new awards		(308,650	)		(403,360	)		(516,650	)
Restricted stock units awarded		(133,650	)		(115,150	)		(106,200	)
Restricted stock shares issued for SLO awards		(6,080	)		(12,895	)		(3,627	)
Restricted stock units awarded for SLO awards		(28,516	)		(134,329	)		(11,034	)
Restricted stock shares awarded for 2009 Two-Year PSU awards		(1,114,139	)		—			—
Restricted stock shares forfeited		41,400			19,133			38,431
Restricted stock units forfeited		3,500			12,500			19,700
Restricted stock shares withheld for taxes		457,902			53,393			78,788
Number of shares available, end of year		7,909,064			4,997,297			5,578,005
Weighted average per share market value of awards on grant date	$	24.93		$	21.46		$	16.33

Summary of Changes in Shares Available for Directors Stock Plan [Table Text Block]

	2011			2010			2009
Number of shares available, beginning of year		49,548			74,120			97,390
Additional shares available due to 2011 amendment to the Directors Stock Plan		200,000			—			—
Shares granted and issued		(18,630	)		(12,500	)		(16,289	)
Shares granted and deferred		(7,762	)		(12,072	)		(6,981	)
Number of shares available, end of year		223,156			49,548			74,120
Weighted average per share market value of stock on grant date	$	25.77		$	21.72		$	19.34

Total share-based compensation expense

	2011			2010		2009
2011 Three-year PSU Awards	$	3.0		$	—	$	—
2010 Three-year PSU Awards		6.0			3.0		—
2009 Two-year PSU Awards		(0.7	)		10.4		14.1
2009 Three-year PSU Awards		7.4			7.0		9.4
SLO Awards		0.3			1.0		2.9
Other long-term share-based incentive compensation programs		9.0			9.2		12.4
Total share-based incentive compensation expense	$	25.0		$	30.6	$	38.8
Associated tax benefits recognized	$	9.3		$	11.3	$	14.5

Estimated amount of total share-based compensation expense

	2012		2013		2014		Total
2011 Three-year PSU Awards	$	2.9	$	2.8	$	—	$	5.7
2010 Three-year PSU Awards		4.1		—		—		4.1
SLO Awards		0.1		—		—		0.1
Other long-term share-based incentive compensation programs		8.8		5.3		1.5		15.6
Total share-based incentive compensation expense	$	15.9	$	8.1	$	1.5	$	25.5