Restaurant Information (Details) - Restaurant	3 Months Ended
	Jun. 30, 2022	Jun. 30, 2021
Franchisor Disclosure [Line Items]
Number of restaurants	39,696	39,396
Number of restaurants sold	850
Franchised
Franchisor Disclosure [Line Items]
Number of restaurants	37,664	36,717
Franchised | Conventional franchised
Franchisor Disclosure [Line Items]
Number of restaurants	21,621	21,519
Franchised | Developmental licensed
Franchisor Disclosure [Line Items]
Number of restaurants	7,918	7,753
Franchised | Foreign affiliated
Franchisor Disclosure [Line Items]
Number of restaurants	8,125	7,445
Company-operated
Franchisor Disclosure [Line Items]
Number of restaurants	2,032	2,679