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Cost Classifications (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Cost Classifications
Depreciation and amortization not included in cost of product sold	$ 1.4	$ 1.2
Depreciation and amortization not included in direct operating expenses	34.5	32.5
Depreciation and amortization not included in selling, general and administrative expenses	$ 1.4	$ 0.5

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- Details

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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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Data Type:	xbrli:monetaryItemType
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- Definition

Represents the amount of depreciation and amortization not included in direct operating expenses.

+ References

No definition available.

+ Details

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- Definition

Represents the amount of depreciation and amortization not included in selling, general and administrative expenses.

+ References

No definition available.

+ Details

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