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		6 Months Ended
	Jun. 17, 2018	Jun. 18, 2017	Jun. 17, 2018	Jun. 18, 2017	Dec. 31, 2017
Revenues:
Revenue	$ 779,396	$ 628,611	$ 1,564,767	$ 1,252,828
General and administrative	86,506	79,978	170,684	157,760
Income from operations	126,145	112,867	259,621	228,901
Income before provision for income taxes	91,197	88,532	194,867	179,046
Provision for income taxes	13,789	22,791	28,632	50,836
Net income	77,408	65,741	166,235	128,210
Other assets:
Deferred income taxes	3,158		3,158		$ 2,750	[1]
Current liabilities:
Advertising fund liabilities	117,360		117,360		120,223	[1]
Other accrued liabilities	100,185		100,185		117,554	[1]
Long-term liabilities:
Other accrued liabilities	36,181		36,181		21,751	[1]
Stockholders' deficit:
Retained deficit	(2,926,921)		(2,926,921)		(2,739,437)	[1]
Domestic Stores [Member] | Domestic Franchise Royalties and Fees [Member]
Revenues:
Revenue	87,418	82,403	176,908	162,304
Domestic Stores [Member] | Domestic Franchise Advertising [Member]
Revenues:
Revenue	80,929		163,140
Domestic franchise advertising	80,929		163,140
International Franchise [Member] | International Franchise Royalties and Fees [Member]
Revenues:
Revenue	51,337	$ 43,674	103,758	$ 85,892
Scenario, Previously Reported [Member]
Revenues:
General and administrative	90,327		179,093
Income from operations	126,118		259,546
Income before provision for income taxes	91,170		194,792
Provision for income taxes	13,783		28,615
Net income	77,387		166,177
Other assets:
Deferred income taxes	1,297		1,297		2,750
Current liabilities:
Advertising fund liabilities	123,818		123,818		120,223
Other accrued liabilities	97,760		97,760		58,578
Long-term liabilities:
Other accrued liabilities	23,644		23,644		21,751
Stockholders' deficit:
Retained deficit	(2,920,278)		(2,920,278)		$ (2,739,437)
Scenario, Previously Reported [Member] | Domestic Stores [Member] | Domestic Franchise Royalties and Fees [Member]
Revenues:
Revenue	91,216		185,284
Scenario, Previously Reported [Member] | International Franchise [Member] | International Franchise Royalties and Fees [Member]
Revenues:
Revenue	51,333		103,716
Restatement Adjustment [Member]
Revenues:
General and administrative	(3,821)		(8,409)
Income from operations	27		75
Income before provision for income taxes	27		75
Provision for income taxes	6		17
Net income	21		58
Other assets:
Deferred income taxes	1,861		1,861
Current liabilities:
Advertising fund liabilities	(6,458)		(6,458)
Other accrued liabilities	2,425		2,425
Long-term liabilities:
Other accrued liabilities	12,537		12,537
Stockholders' deficit:
Retained deficit	(6,643)		(6,643)
Restatement Adjustment [Member] | Domestic Stores [Member] | Domestic Franchise Royalties and Fees [Member]
Revenues:
Revenue	(3,798)		(8,376)
Restatement Adjustment [Member] | Domestic Stores [Member] | Domestic Franchise Advertising [Member]
Revenues:
Revenue	80,929		163,140
Domestic franchise advertising	80,929		163,140
Restatement Adjustment [Member] | International Franchise [Member] | International Franchise Royalties and Fees [Member]
Revenues:
Revenue	$ 4		$ 42

[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.