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Reconcilation of Income Tax Rate (Details) (USD $) In Millions, unless otherwise specified | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2014 | Jun. 30, 2013 | Jun. 30, 2014 | Jun. 30, 2013
Amount [Abstract] |  |  |  |
Tax provision at U.S. statutory rate | $ 11.0 | $ 14.8 | $ 22.3 | $ 29.7
Foreign income tax rate differential | (4.7) | (2.0) | (7.0) | (3.8)
Tax effects of foreign legal structure | 0 | (0.4) | 0.3 | (0.7)
Adjustments to valuation allowances | 0.9 | 0 | 0.9 | 0
French business tax classified as income tax | 0.6 | 0.5 | 1.1 | 1.1
Other foreign taxes, net | (0.6) | 0.8 | (1.0) | 0
Other, net | (0.7) | 0.1 | (0.3) | (0.1)
Provision for income taxes | $ 6.5 | $ 13.8 | $ 16.3 | $ 26.2
Percent [Abstract] |  |  |  |
Tax provision at U.S. statutory rate | 35.00% | 35.00% | 35.00% | 35.00%
Foreign income tax rate differential | (15.00%) | (4.70%) | (11.00%) | (4.50%)
Tax effects of foreign legal structure | 0.00% | (1.00%) | 0.50% | (0.80%)
Adjustments to valuation allowances | 2.90% | 0.00% | 1.40% | 0.00%
French business tax classified as income tax | 1.90% | 1.10% | 1.70% | 1.30%
Other foreign taxes, net | (1.90%) | 1.80% | (1.50%) | 0.00%
Other, net | (2.10%) | 0.20% | (0.50%) | (0.10%)
Provision for income taxes | 20.80% | 32.40% | 25.60% | 30.90%

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