The percentage increase or decrease in dividend rate.

No definition available.

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- Definition

Dividends [Line Items]

+ References

No definition available.

+ Details

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- Definition

Aggregate dividends paid during the period for each share of common stock outstanding.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.3-04)
-URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770

+ Details

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- Definition

Aggregate dividends declared during the period for each share of common stock outstanding.

+ References

+ Details

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- Definition

Date the declared dividend will be paid, in CCYY-MM-DD format.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 50
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4304-108586

+ Details

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- Definition

Date the holder must own the stock to be entitled to the dividend, in CCYY-MM-DD format.

+ References

No definition available.

+ Details

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- Definition

Cash outflow in the form of capital distributions and dividends to common shareholders, preferred shareholders and noncontrolling interests.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Financing Activities
-URI http://asc.fasb.org/extlink&oid=6513228

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 15
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3291-108585

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Dividend Program (Detail) - USD ($) $ / shares in Units, $ in Thousands		3 Months Ended	6 Months Ended
	Dec. 01, 2015	Aug. 03, 2014	Nov. 01, 2015	Nov. 02, 2014
Dividends [Line Items]
Cash dividends paid			$ 6,417	$ 6,113
Quarterly Dividend [Member]
Dividends [Line Items]
Cash dividend payment, per share			$ 0.06	$ 0.05
Cash dividends paid			$ 1,400	$ 1,200
Special Dividend [Member]
Dividends [Line Items]
Cash dividend payment, per share		$ 0.40	$ 0.40
Cash dividends paid		$ 4,900	$ 5,000
Subsequent Event [Member] \| Quarterly Dividend [Member]
Dividends [Line Items]
Cash dividend declared, per share	$ 0.07
Date of payment to shareholders entitled to dividends	Jan. 18, 2016
Date of record of shareholders entitled to dividends	Jan. 04, 2016
Percentage increase in quarterly cash dividend	17.00%