Condensed Consolidated Statements Of Cash Flows (USD $) In Thousands	3 Months Ended
	Jul. 31, 2011	Jul. 31, 2010
Operating Activities
Net loss	$ (2,716)	$ (3,418)
Adjustments to reconcile net loss to net cash provided/(used) by operating activities:
Depreciation and amortization	5,974	7,061
Net loss on disposal of property, plant, and equipment	16	3
Stock-based compensation expense	979	847
Deferred income taxes	(1,255)	(2,204)
Pension contributions less than expense	1,825	1,727
Tax benefit from stock-based compensation	0	(57)
Other non-cash items	(297)	(515)
Changes in operating assets and liabilities:
Customer receivables	313	4,636
Inventories	(766)	1,499
Income tax receivable and other assets	(1,177)	(309)
Accounts payable	(375)	(620)
Accrued compensation and related expenses	(759)	(6,777)
Other accrued expenses	2,446	(187)
Net Cash Provided by Operating Activities	4,208	1,686
Investing Activities
Payments to acquire property, plant, and equipment	(1,261)	(936)
Proceeds from sales of property, plant, and equipment	14	0
Investment in promotional displays	(840)	(1,099)
Net Cash Used by Investing Activities	(2,087)	(2,035)
Financing Activities
Payments of long-term debt	(154)	(150)
Proceeds from issuance of common stock	18	247
Payment of dividends	(1,287)	(1,280)
Tax benefit from stock-based compensation	0	57
Net Cash Used by Financing Activities	(1,423)	(1,126)
Net Increase/(Decrease) In Cash And Cash Equivalents	698	(1,475)
Cash And Cash Equivalents, Beginning of Period	55,420	53,233
Cash And Cash Equivalents, End of Period	$ 56,118	$ 51,758