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Restaurant Information by Ownership Type (Detail) - Restaurant	Mar. 31, 2016	Mar. 31, 2015
Segment Reporting Information [Line Items]
Number of Restaurants	36,467	36,290
Franchised
Segment Reporting Information [Line Items]
Number of Restaurants	30,197	29,556
Franchised | Conventional franchised
Segment Reporting Information [Line Items]
Number of Restaurants	21,209	20,787
Franchised | Developmental licensed
Segment Reporting Information [Line Items]
Number of Restaurants	5,618	5,261
Franchised | Affiliated
Segment Reporting Information [Line Items]
Number of Restaurants	3,370	3,508
Company-operated
Segment Reporting Information [Line Items]
Number of Restaurants	6,270	6,734

X

- Definition

Represents the number of restaurants.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:integerItemType
Balance Type:	na
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X

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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- Details

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Namespace Prefix:
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X

- Details

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Namespace Prefix:
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Period Type:

X

- Details

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X

- Details

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X

- Details

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