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CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	12 Months Ended
	Apr. 27, 2019	Apr. 28, 2018	Apr. 29, 2017
CASH FLOWS FROM OPERATING ACTIVITIES:
Net (loss) income	$ (958)	$ 5,562	$ 10,342
Adjustments to reconcile net (loss) income to net cash provided by operating activities:
Depreciation and amortization	18,635	17,784	18,562
Impairment of intangible assets	0	0	830
(Gain) loss on sale of property, equipment and other assets	(441)	(1,252)	36
Share-based compensation	2,479	2,635	2,914
Contingent consideration adjustment	286	0	0
Equity in loss of affiliate	844	481	136
Provision for doubtful accounts	194	140	1,426
Deferred income taxes, net	(3,379)	3,148	(2,043)
Change in operating assets and liabilities	11,886	1,863	7,204
Net cash provided by operating activities	29,546	30,361	39,407
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchases of property and equipment	(17,268)	(18,127)	(8,502)
Proceeds from sales of property, equipment and other assets	607	2,179	199
Purchases of marketable securities	(25,337)	(17,438)	(24,159)
Proceeds from sales or maturities of marketable securities	33,706	15,273	15,928
Purchases of and loans to equity investment	(1,300)	(1,450)	(1,646)
Acquisitions, net of cash acquired	(2,250)	0	0
Net cash used in investing activities	(11,842)	(19,563)	(18,180)
CASH FLOWS FROM FINANCING ACTIVITIES:
Payments on notes payable	0	0	(8)
Principal payments on long-term obligations	(450)	(1,046)	(921)
Dividends paid	(12,554)	(12,424)	(13,651)
Proceeds from exercise of stock options	1,318	519	343
Payments for common shares repurchased	0	0	(1,825)
Tax payments related to RSU issuances	(246)	(311)	(261)
Net cash used in financing activities	(11,932)	(13,262)	(16,323)
EFFECT OF EXCHANGE RATE CHANGES ON CASH	215	(620)	(591)
NET INCREASE (DECREASE) IN CASH, CASH EQUIVALENTS AND RESTRICTED CASH	5,987	(3,084)	4,313
CASH, CASH EQUIVALENTS AND RESTRICTED CASH:
Beginning of period	29,755	32,839	28,526
End of period	$ 35,742	$ 29,755	$ 32,839

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+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 13
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3213-108585

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- Definition

The cash inflow associated with the aggregate amount received by the entity through sale or maturity of marketable securities (held-to-maturity or available-for-sale) during the period.

+ References

No definition available.

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- Definition

The cash inflow from the sale of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 12
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3179-108585

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- Definition

Amount of cash inflow from exercise of stock options granted under share-based compensation arrangement.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2A
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=109197908&loc=SL79508275-113901

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 14
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3255-108585

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- Definition

Amount of expense related to write-down of receivables to the amount expected to be collected. Includes, but is not limited to, accounts receivable and notes receivable.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.5)
-URI http://asc.fasb.org/extlink&oid=115205541&loc=SL114868664-224227

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 45
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=82913815&loc=SL49130534-203044

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- Definition

The cash outflow for debt initially having maturity due after one year or beyond the normal operating cycle, if longer.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 15
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3291-108585

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- Definition

The cash outflow for a borrowing supported by a written promise to pay an obligation.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 15
-Subparagraph (b)
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- Definition

The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock or unit options, amortization of restricted stock or units, and adjustment for officers' compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3602-108585

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