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Stockholders' Equity (Tables) | 12 Months Ended
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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 |

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