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Accounting Policies (Tables) | 12 Months Ended
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Dec. 31, 2013
Accounting Policies [Abstract] |
Revision of Prior Year Adjustments | Adjustments have been made as follows:
|  | Year Ended December 31, 2012 |
(in millions) |  | As Previously Reported |  |  | Adjustment |  |  | As Revised |
Selling, general and administrative expenses |  | $ | (117.1 | ) |  | $ | (1.9 | ) |  | $ | (119.0 | )
Operating income |  |  | 98.4 |  |  |  | (1.9 | ) |  |  | 96.5 |
Income before income taxes |  |  | 95.2 |  |  |  | (1.9 | ) |  |  | 93.3 |
Income taxes |  |  | (26.9 | ) |  |  | 0.5 |  |  |  | (26.4 | )
Net income |  |  | 68.3 |  |  |  | (1.4 | ) |  |  | 66.9 |
Retained earnings |  |  | 281.0 |  |  |  | (19.3 | ) |  |  | 261.7 |
Accumulated other comprehensive loss |  |  | (171.4 | ) |  |  | 19.3 |  |  |  | (152.1 | )
|  | Year Ended December 31, 2011 |
(in millions) |  | As Previously Reported |  |  | Adjustment |  |  | As Revised |
Selling, general and administrative expenses |  | $ | (155.9 | ) |  | $ | (2.4 | ) |  | $ | (158.3 | )
Operating income |  |  | 49.6 |  |  |  | (2.4 | ) |  |  | 47.2 |
Income before income taxes |  |  | 52.6 |  |  |  | (2.4 | ) |  |  | 50.2 |
Income taxes |  |  | (3.7 | ) |  |  | 0.6 |  |  |  | (3.1 | )
Net income |  |  | 48.9 |  |  |  | (1.8 | ) |  |  | 47.1 |
Retained earnings |  |  | 259.4 |  |  |  | (17.9 | ) |  |  | 241.5 |
Accumulated other comprehensive loss |  |  | (120.0 | ) |  |  | 17.9 |  |  |  | (102.1 | )
|  | As at January 1, 2011 |
(in millions) |  | As Previously Reported |  |  | Adjustment |  |  | As Revised |
Retained earnings |  | $ | 210.5 |  |  | $ | (16.1 | ) |  | $ | 194.4 |
Accumulated other comprehensive loss |  |  | (131.6 | ) |  |  | 16.1 |  |  |  | (115.5 | )
Estimated Useful Lives of Major Classes of Depreciable Assets | The estimated useful lives of the major classes of depreciable assets are as follows:
Buildings |  |  | 7 to 25 years |
Equipment |  |  | 3 to 10 years |

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