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Note 5 - Property and Equipment (Detail) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Depreciation	$ 47.8	$ 52.6	$ 55.5
Gain (Loss) on Sale of Property Plant Equipment	4.9	6.7	4.3
Capital Leased Assets, Gross	21.3	21.3
Capital Leases, Lessee Balance Sheet, Assets by Major Class, Accumulated Depreciation	5.5	3.4
Capital Leases, Income Statement, Amortization Expense	$ 2.1	$ 1.8	$ 1.4

X

- Definition

Property, plant, or equipment held under lease agreements classified as an asset.

+ References

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X

- Definition

The charge for the use of long-lived depreciable capital leased assets for the period.

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X

- Definition

The total charge for the use of long-lived depreciable assets subject to a lease meeting the criteria for capitalization.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.



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- Definition

The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation.

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X

- Definition

The difference between the sale price or salvage price and the book value of a property, plant, and equipment asset that was sold or retired during the reporting period. This element refers to the gain (loss).

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.



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