Long-Term Debt - Incremental Term Loan - Additional Information (Detail)	Jun. 30, 2017 USD ($)
Line of Credit Facility [Line Items]
Debt issuance costs	$ 11,300,000
Incremental Term Loan \| Popeyes \| Term loan facility
Line of Credit Facility [Line Items]
Aggregate principal amount of debt issued	1,300,000,000.0
Debt issuance costs	23,000,000
Incremental Term Loan Two \| Popeyes \| Term loan facility
Line of Credit Facility [Line Items]
Aggregate principal amount of debt issued	$ 250,000,000

Face (par) amount of debt instrument at time of issuance.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 55
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=64930739&loc=d3e28878-108400

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=64930785&loc=d3e28551-108399

Name:	us-gaap_DebtInstrumentFaceAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant