Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Jan. 31, 2016	Jan. 31, 2015
OPERATING ACTIVITIES
Net income	$ 45,351	$ 24,191
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	11,804	10,911
Net loss on disposal of property, plant and equipment	113	65
Stock-based compensation expense	2,651	2,537
Deferred income taxes	9,319	2,381
Pension contributions in excess of expense	(4,803)	(3,726)
Tax benefit from stock-based compensation	(4,760)	(4)
Contributions of employer stock to employee benefit plan	1,761	4,599
Other non-cash items	(3,633)	(1,295)
Changes in operating assets and liabilities:
Customer receivables	(3,261)	(1,435)
Inventories	(2,635)	(4,327)
Prepaid expenses and other assets	(5,613)	(246)
Accounts payable	(133)	796
Accrued compensation and related expenses	3,800	(1,228)
Income taxes payable	(1,791)	(591)
Other accrued expenses	2,753	3,369
Net Cash Provided by Operating Activities	50,923	35,997
INVESTING ACTIVITIES
Payments to acquire property, plant and equipment	(25,167)	(11,900)
Proceeds from sales of property, plant and equipment	96	15
Investment in certificates of deposit, net	(5,000)	(29,500)
Investment in promotional displays	(3,608)	(2,131)
Net Cash Used by Investing Activities	(33,679)	(43,516)
FINANCING ACTIVITIES
Payments of long-term debt	(1,139)	(941)
Proceeds from long-term debt	2,805	0
Proceeds from issuance of common stock	7,727	9,959
Repurchase of common stock	(11,996)	(5,053)
Notes receivable, net	(4,263)	375
Tax benefit from stock-based compensation	4,760	4
Net Cash Provided (Used) by Financing Activities	(2,106)	4,344
Net Increase (Decrease) in Cash and Cash Equivalents	15,138	(3,175)
Cash and Cash Equivalents, Beginning of Period	149,541	135,700
Cash and Cash Equivalents, End of Period	$ 164,679	$ 132,525