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Interest expense

12 Months Ended

Mar. 31, 2012

Interest Expense [Abstract]

Interest expense

19. Interest expense


		2012						2011						2010
Year ended March 31,
Interest on 8³/4% senior notes and swaps			$–						$1,238						$19,041
Interest on capital lease obligations			445						689						1,032
Amortization of deferred financing costs			1,591						1,609						3,348
Interest on credit facilities			7,430						5,361						2,375
Interest on Series 1 Debentures			20,531						20,132						–
Interest on long term debt			$29,997						$29,029						$25,796
Other interest			328						962						284
			$30,325						$29,991						$26,080