Supplemental Cash Flow Information (Tables)

12 Months Ended

Sep. 30, 2011

Supplemental Cash Flow Information

Summary Of Supplemental Cash Flow Information

	Years Ended September 30,
	2011		2010		2009
Cash paid during the period for:
Domestic and foreign income taxes	$	55,062	$	65,024	$	40,713
Interest, net of amounts capitalized	$	3,703	$	1,656	$	2,144
Non-cash activities:
Increase in insurance receivable related to reduction in value of spare capital equipment and inventory	$	—	$	—	$	2,518
Increase in accounts payable and accrued liabilities related to capital expenditures	$	77,164	$	10,616	$	7,579