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Cost Classifications (Details) (USD $) In Millions, unless otherwise specified | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2013 | Sep. 30, 2012 | Sep. 30, 2013 | Sep. 30, 2012
Cost Classifications |  |  |  |
Depreciation and amortization not included in cost of product sold | $ 1.3 | $ 1.0 | $ 3.7 | $ 2.6
Depreciation and amortization not included in direct operating expenses | 34.0 | 31.6 | 99.8 | 93.1
Depreciation and amortization not included in selling, general and administrative expenses | $ 0.9 | $ 0.5 | $ 1.9 | $ 1.7

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- Definition Represents the amount of depreciation and amortization not included in cost of product sold. + References No definition available. + Details
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