Equity Investments (Summary Of Investment In Joint Venture, Income Statement Data) (Details) (WAVE [Member], USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
WAVE [Member]
Schedule of Equity Method Investments [Line Items]
Net sales	$ 100.5	$ 96.6	$ 192.8	$ 188.5
Gross profit	47.2	41.8	90.7	85.1
Net earnings	$ 37.0	$ 32.1	$ 69.2	$ 65.9