Basis Of Presentation And Significant Accounting Policies (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Jun. 30, 2012
Seasonal percentage of operating income	60.00%
Seasonal percentage of operating cash flows	65.00%
Net monetary assets	$ 53.0
Percentage of net sales generated by Venezuela, equal to or less than	1.00%
Minimum Exchange of Bolivar Fuerte [Member]
Foreign currency exchange rate	4.5
Maximum Exchange of Bolivar Fuerte [Member]
Foreign currency exchange rate	5.3