Dividends [Line Items]

No definition available.

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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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Period Type:	duration

- 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=66902209&loc=d3e3291-108585

+ Details

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Balance Type:	credit
Period Type:	duration

- Details

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- Details

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- Details

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Dividend Program (Detail) - USD ($)			3 Months Ended
Dividend Program (Detail) - USD ($)	Aug. 30, 2016	Jun. 15, 2016	Jul. 31, 2016	Aug. 02, 2015
Dividends [Line Items]
Cash dividends paid			$ 3,445,000	$ 5,676,000
Special Dividend [Member]
Dividends [Line Items]
Cash dividend declared, per share		$ 0.21
Cash dividends paid			$ 2,500,000	$ 5,000,000
Cash dividend payment, per share			$ 0.21	$ 0.40
Quarterly Dividend [Member]
Dividends [Line Items]
Cash dividend declared, per share		$ 0.07
Date of payment to shareholders entitled to dividends		Jul. 15, 2016
Date of record of shareholders entitled to dividends		Jul. 01, 2016
Cash dividends paid			$ 861,000	$ 740,000
Cash dividend payment, per share			$ 0.07	$ 0.06
Quarterly Dividend [Member] \| Subsequent Event [Member]
Dividends [Line Items]
Cash dividend declared, per share	$ 0.07
Date of payment to shareholders entitled to dividends	Oct. 17, 2016
Date of record of shareholders entitled to dividends	Oct. 03, 2016