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- Definition

Amount of cash inflow from customers for revenue related transactions that are refundable to the customers and do not meet the criteria for revenue recognition.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 25
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3536-108585

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 605
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SAB TOPIC 13.A.4(a))
-URI http://asc.fasb.org/extlink&oid=65893310&loc=d3e214044-122780

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- Definition

Amount of cash outflow to customers for refund payments.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 605
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SAB TOPIC 13.A.4(a))
-URI http://asc.fasb.org/extlink&oid=65893310&loc=d3e214044-122780

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- Definition

Amount awarded to other party in judgment or settlement of litigation.

+ References

No definition available.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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EBook Settlement - Additional Information (Detail) - USD ($) $ in Thousands			12 Months Ended
	Sep. 07, 2017	Jul. 01, 2017	Apr. 28, 2018	Apr. 29, 2017
Loss Contingencies [Line Items]
Redemptions receivable from Apple			$ 452	$ 2,478
Apple Inc \| Antitrust Lawsuit on Price of Digital Books
Loss Contingencies [Line Items]
Credit settlement amount			95,707
Redemptions receivable from Apple			0
Activated credit amount		$ 60,397
Credit redeemed		$ 56,472
Apple Inc \| Antitrust Lawsuit on Price of Digital Books \| Court Approved Redistribution
Loss Contingencies [Line Items]
Credit settlement amount	$ 14,815
Redemptions receivable from Apple			452	$ 2,478
Activated credit amount			10,851
Credit redeemed			$ 10,249