Impairment of intangible assets, indefinite-lived (excluding goodwill), net of tax.

No definition available.

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- Definition

Number of acquired sub-brands discontinued.

+ References

No definition available.

+ Details

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Period Type:	instant

- Definition

Percentage of fee revenue growth rate.

+ References

No definition available.

+ Details

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- Definition

Amount of assets, excluding financial assets and goodwill, that lack physical substance, having a projected indefinite period of benefit, acquired at the acquisition date.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=84161108&loc=d3e4845-128472

+ 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=98513485&loc=d3e4304-108586

+ Details

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- Definition

The per share amount of a dividend declared, but not paid, as of the financial reporting date.

+ References

+ Details

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Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	instant

- Definition

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

+ References

+ Details

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Data Type:	xbrli:dateItemType
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Period Type:	duration

- 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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Namespace Prefix:	us-gaap_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of impairment loss resulting from write-down of assets, excluding financial assets and goodwill, lacking physical substance and having a projected indefinite period of benefit to fair value.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 3
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16373-109275

+ Details

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- Definition

Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

+ References

No definition available.

+ Details

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Subsequent Events - Additional Information (Detail)		12 Months Ended
Subsequent Events - Additional Information (Detail)	Jun. 12, 2018 USD ($) Subbrand $ / shares	Apr. 30, 2018 USD ($)	Apr. 30, 2017 USD ($)
Subsequent Event [Line Items]
Percentage of fee revenue growth		13.00%
Non-cash intangible asset impairment charge		$ 0	$ 0
Subsequent Event
Subsequent Event [Line Items]
Number of acquired sub-brands discontinued \| Subbrand	2
Purchase price allocated to indefinite lived trade name intangible assets	$ 106,000,000
Non-cash intangible asset impairment charge	106,000,000
Non-cash intangible asset impairment charge on an after-tax basis	$ 79,000,000
Subsequent Event \| Dividend Declared
Subsequent Event [Line Items]
Dividends payable, declared date	Jun. 12, 2018
Dividends payable, per share amount \| $ / shares	$ 0.10
Dividends payable, payable date	Jul. 13, 2018
Dividends declared, record date	Jun. 26, 2018