Equity, Dividends and Change in Accumulated Other Comprehensive Loss - Summary of Cash Dividends (Detail) - $ / shares	Nov. 02, 2016	Aug. 03, 2016	May 04, 2016	Feb. 24, 2016	Oct. 28, 2015	Jul. 29, 2015	Mar. 10, 2015
Equity [Abstract]
Date Declared	Nov. 02, 2016	Aug. 03, 2016	May 04, 2016	Feb. 24, 2016	Oct. 28, 2015	Jul. 29, 2015	Mar. 10, 2015
Date Paid	Dec. 09, 2016	Sep. 20, 2016	Jun. 21, 2016	Apr. 26, 2016	Dec. 03, 2015	Aug. 31, 2015	May 26, 2015
Dividend Per Share	$ 0.0925	$ 0.0925	$ 0.0925	$ 0.0900	$ 0.0900	$ 0.0900	$ 0.0900

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

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

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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

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

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