Equity Investment (Details) (WAVE [Member], USD $) In Millions, unless otherwise specified	3 Months Ended	9 Months Ended
Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
WAVE [Member]
Schedule of Equity Method Investments [Line Items]
Equity interest percentage	50.00%		50.00%
Net sales	$ 96.8	$ 98.2	$ 282.8	$ 283.3
Gross profit	43.4	41.8	126.0	121.9
Net earnings	$ 34.5	$ 33.8	$ 97.6	$ 97.7

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

+ References+ Details

The amount of gross profit (loss) reported by an equity method investment of the entity.

+ References

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Reference 2: http://www.xbrl.org/2003/role/presentationRef

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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.

Reference 7: http://www.xbrl.org/2003/role/presentationRef

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+ Details

- Definition

The amount of net income (loss) reported by an equity method investment of the entity.

+ References

+ Details