Supplemental Cash Flow Information (Tables)

3 Months Ended

Aug. 31, 2011

Supplemental Cash Flow Information

Schedule of supplemental cash flow information

	Three Months Ended
	August 31,
	2011		2010
Interest paid	$	3,158	$	3,609
Income taxes paid	1,905		3,053
Income tax refunds received	4,904		67