New Accounting Pronouncements - Impact of Adoption on Company's Condensed Consolidated Statement of Income and Condensed Consolidated Balance Sheet (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 25, 2018	Mar. 26, 2017	Dec. 31, 2017
Revenues:
Revenue	$ 785,371	$ 624,217
General and administrative	84,178	77,782
Income from operations	133,476	116,034
Income before provision for income taxes	103,670	90,514
Provision for income taxes	14,843	28,045
Net income	88,827	62,469
Other assets:
Deferred income taxes	4,069		$ 2,750	[1]
Current liabilities:
Advertising fund liabilities	105,830		120,223	[1]
Other accrued liabilities	112,143		117,554	[1]
Long-term liabilities:
Other accrued liabilities	35,843		21,751	[1]
Stockholders' deficit:
Retained deficit	(2,768,591)		(2,739,437)	[1]
Domestic Stores [Member] | Domestic Franchise Royalties and Fees [Member]
Revenues:
Revenue	89,490	79,901
Domestic Stores [Member] | Domestic Franchise Advertising [Member]
Revenues:
Revenue	82,211
Domestic franchise advertising	82,211
International Franchise [Member] | International Franchise Royalties and Fees [Member]
Revenues:
Revenue	52,421	$ 42,218
Scenario, Previously Reported [Member]
Revenues:
General and administrative	88,746
Income from operations	133,428
Income before provision for income taxes	103,622
Provision for income taxes	14,832
Net income	88,790
Other assets:
Deferred income taxes	2,202		2,750
Current liabilities:
Advertising fund liabilities	112,265		120,223
Other accrued liabilities	109,747		58,578
Long-term liabilities:
Other accrued liabilities	23,273		21,751
Stockholders' deficit:
Retained deficit	(2,761,927)		$ (2,739,437)
Scenario, Previously Reported [Member] | Domestic Stores [Member] | Domestic Franchise Royalties and Fees [Member]
Revenues:
Revenue	94,068
Scenario, Previously Reported [Member] | International Franchise [Member] | International Franchise Royalties and Fees [Member]
Revenues:
Revenue	52,383
Restatement Adjustment [Member]
Revenues:
General and administrative	(4,568)
Income from operations	48
Income before provision for income taxes	48
Provision for income taxes	11
Net income	37
Other assets:
Deferred income taxes	1,867
Current liabilities:
Advertising fund liabilities	(6,435)
Other accrued liabilities	2,396
Long-term liabilities:
Other accrued liabilities	12,570
Stockholders' deficit:
Retained deficit	(6,664)
Restatement Adjustment [Member] | Domestic Stores [Member] | Domestic Franchise Royalties and Fees [Member]
Revenues:
Revenue	(4,578)
Restatement Adjustment [Member] | Domestic Stores [Member] | Domestic Franchise Advertising [Member]
Revenues:
Revenue	82,211
Domestic franchise advertising	82,211
Restatement Adjustment [Member] | International Franchise [Member] | International Franchise Royalties and Fees [Member]
Revenues:
Revenue	$ 38

[1] Note: The balance sheet at December 31, 2017 has been derived from the audited consolidated financial statements at that date but does not include all of the information and footnotes required by accounting principles generally accepted in the United States for complete financial statements.