Accumulated Other Comprehensive Income (Loss) (Tables)

12 Months Ended

Apr. 30, 2014

Equity [Abstract]

Schedule of Before Tax Income (Loss) Related Income Tax Effect and Accumulated Balances

The before tax income (loss), related income tax effect, and accumulated balances are as follows:

$ in thousands	Cash Flow Hedge		Foreign Currency Translation Adjustment		Minimum Pension Liability Adjustment		Total Accumulated Other Comprehensive Income (Loss)
Balance at April 30, 2011	$	(138)	$	38	$	(4,830)	$	(4,930)
Foreign currency translation adjustment		—		(466)		—		(466)
Change in fair value of cash flow hedges		(157)		—		—		(157)
Change in unrecognized actuarial loss on pension obligations		—		—		(2,753)		(2,753)
Income tax effect		59		—		1,071		1,130
Balance at April 30, 2012		(236)		(428)		(6,512)		(7,176)
Foreign currency translation adjustment		—		84		—		84
Change in fair value of cash flow hedges		34		—		—		34
Change in unrecognized actuarial loss on pension obligations		—		—		(419)		(419)
Income tax effect		(13)		—		163		150
Balance at April 30, 2013		(215)		(344)		(6,768)		(7,327)
Foreign currency translation adjustment		—		(321)		—		(321)
Change in fair value of cash flow hedges		133		—		—		133
Change in unrecognized actuarial loss on pension obligations		—		—		2,116		2,116
Income tax effect		(50)		—		(824)		(874)
Balance at April 30, 2014	$	(132)	$	(665)	$	(5,476)	$	(6,273)