Accumulated Other Comprehensive Loss (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Oct. 28, 2017	Oct. 29, 2016	Oct. 28, 2017	Oct. 29, 2016
Activity in accumulated other comprehensive loss
Balance			$ 589,919
Balance	$ 592,264		592,264
Components of non-controlling interest
Balance as of the beginning of the period	11,684	$ 10,244	11,186	$ 10,070
Net income	310	272	403	474
Other comprehensive income (loss)	100	(73)	505	(101)
Balance as of the end of the period	12,094	10,443	12,094	10,443
Accumulated Other Comprehensive Loss
Activity in accumulated other comprehensive loss
Balance	(30,248)	(33,801)	(32,883)	(34,000)
Changes before reclassifications	(997)	(614)	2,163	(1,607)
Amounts reclassified to net income	725	1,233	645	2,572
Tax effect	9	(308)	(436)	(455)
Other comprehensive income (loss) attributable to La-Z-Boy Incorporated	(263)	311	2,372	510
Balance	(30,511)	(33,490)	(30,511)	(33,490)
Translation adjustment
Activity in accumulated other comprehensive loss
Balance	984	(485)	(927)	(445)
Changes before reclassifications	(247)	(188)	1,664	(228)
Other comprehensive income (loss) attributable to La-Z-Boy Incorporated	(247)	(188)	1,664	(228)
Balance	737	(673)	737	(673)
Change in fair value of cash flow hedge
Activity in accumulated other comprehensive loss
Balance	552	(761)	74	(286)
Changes before reclassifications	(1,094)	(200)	(239)	(1,479)
Amounts reclassified to net income	(103)	424	(186)	936
Tax effect	456	(85)	162	207
Other comprehensive income (loss) attributable to La-Z-Boy Incorporated	(741)	139	(263)	(336)
Balance	(189)	(622)	(189)	(622)
Unrealized gain on marketable securities
Activity in accumulated other comprehensive loss
Balance	1,481	1,263	1,752	1,058
Changes before reclassifications	344	(226)	738	100
Amounts reclassified to net income	(8)	(14)	(840)	(9)
Tax effect	(128)	91	39	(35)
Other comprehensive income (loss) attributable to La-Z-Boy Incorporated	208	(149)	(63)	56
Balance	1,689	1,114	1,689	1,114
Net pension amortization and net actuarial loss
Activity in accumulated other comprehensive loss
Balance	(33,265)	(33,818)	(33,782)	(34,327)
Amounts reclassified to net income	836	823	1,671	1,645
Tax effect	(319)	(314)	(637)	(627)
Other comprehensive income (loss) attributable to La-Z-Boy Incorporated	517	509	1,034	1,018
Balance	$ (32,748)	$ (33,309)	$ (32,748)	$ (33,309)

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which is directly or indirectly attributable to that ownership interest in subsidiary equity which is not attributable to the parent (that is, noncontrolling interest, previously referred to as minority interest).

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Amount of Net Income (Loss) attributable to noncontrolling interest.

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Amount before tax and reclassification adjustments of other comprehensive income (loss) attributable to parent.

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Amount after tax of other comprehensive income (loss) attributable to noncontrolling interests.

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Amount after tax of other comprehensive income (loss) attributable to parent entity.

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