Equity Investment (Details) (WAVE [Member], USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
WAVE [Member]
Schedule of Equity Method Investments [Line Items]
Equity interest percentage	50.00%		50.00%
Net sales	$ 102.5	$ 96.8	$ 291.0	$ 282.8
Gross profit	47.4	43.4	132.5	126.0
Net earnings	$ 36.8	$ 34.5	$ 102.7	$ 97.6