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Warranty - Reconciliation of Accrued Warranty (Detail) - USD ($) $ in Thousands	9 Months Ended
	Mar. 04, 2018	Feb. 28, 2017	Mar. 04, 2018	May 31, 2017	Feb. 28, 2017
Guarantees [Abstract]
Balance at the beginning of the period	$ 7,557	$ 7,317
Accruals for warranties	4,690	6,078
Settlements made during the period	(5,636)	(5,209)
Balance at the end of the period	6,611	8,186
Accrued warranty	$ 6,611	$ 8,186	$ 6,611	$ 7,557	$ 8,186
Non-current balance			2,800	2,800	2,500
Accrued warranty			$ 3,811	$ 4,757	$ 5,686

X

- 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))
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No definition available.

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- Definition

Carrying value as of the balance sheet date of obligations incurred through that date and payable for estimated claims under standard and extended warranty protection rights granted to customers.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 460
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- Definition

Carrying value as of the balance sheet date of obligations incurred through that date and payable for estimated claims under standard and extended warranty protection rights granted to customers. For classified balance sheets, represents the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
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Carrying value as of the balance sheet date of obligations incurred through that date and due after one year (or beyond the operating cycle if longer) for estimated claims under standard and extended warranty protection rights granted to customers.

+ References

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Amount of increase in the standard and extended product warranty accrual from warranties issued.

+ References

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