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Condensed consolidated statement cash flows (unaudited) (USD $)
In Thousands, unless otherwise specified
 6 Months Ended
Oct. 29, 2011
Oct. 30, 2010
OPERATING ACTIVITIES    
Net income $ 1,661 $ 3,540
Adjustments to reconcile net income to net cash provided by/(used in) operating activities:    
Provision for depreciation 7,047 6,647
Impairment of tangible assets 0 1,299
Amortization of intangibles 898 1,139
Amortization of stock awards and stock options 1,959 541
Gain on bargain purchase (255) 0
Changes in operating assets and liabilities (10,112) (9,416)
Other 539 77
NET CASH PROVIDED BY OPERATING ACTIVITIES 1,737 3,827
INVESTING ACTIVITIES    
Purchases of property, plant and equipment (9,125) (5,605)
Acquisition of businesses (6,353) (750)
Proceeds from life insurance policies 0 1,515
NET CASH USED IN INVESTING ACTIVITIES (15,478) (4,840)
FINANCING ACTIVITIES    
Proceeds from exercise of stock options 198 13
Cash dividends (5,181) (5,154)
Net borrowings 36,500 18,000
NET CASH PROVIDED BY FINANCING ACTIVITIES 31,517 12,859
Effect of foreign currency exchange rate changes on cash 327 1,525
INCREASE IN CASH AND CASH EQUIVALENTS 18,103 13,371
Cash and cash equivalents at beginning of period 57,445 63,821
Cash and cash equivalents at end of period $ 75,548 $ 77,192