Restructuring And Impairment Costs (Narrative) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended				15 Months Ended	12 Months Ended	3 Months Ended
	Jun. 30, 2011		Jun. 30, 2010		Jun. 30, 2011	Mar. 31, 2011 Canadian Operations [Member] Special Termination Benefits [Member]	Jun. 30, 2011 Termination Of Business Arrangements With Supplier And Processor [Member]	Jun. 30, 2011 Employee Termination Benefits [Member]
Impairment charge - property, plant, and equipment					$ 5,632
Employee termination benefits					14,917	2,400		3,800
Pension curtailment and settlement costs					4,081
Other restructuring costs					3,733		3,100
Total restructuring cost	$ 6,859	[1]	$ 949	[1]	$ 28,363
Total employees receiving employee termination benefits					250

[1] Item is not included in segment operating income, but is included in consolidated operating income.