New Accounting Pronouncements - Cumulative Effect of Changes Made to Consolidated Balance Sheet (Detail) - USD ($) $ in Thousands	Mar. 25, 2018	Dec. 31, 2017
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]
Accounting Standards Update 2014-09 [Member]
Other assets:
Deferred income taxes		3,500
Scenario, Previously Reported [Member]
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)
Restatement Adjustment [Member]
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] | Accounting Standards Update 2014-09 [Member]
Other assets:
Deferred income taxes		1,878
Current liabilities:
Advertising fund liabilities		(6,425)
Other accrued liabilities		2,365
Long-term liabilities:
Other accrued liabilities		12,639
Stockholders' deficit:
Retained deficit		(6,701)
Scenario As Restated [Member]
Other assets:
Deferred income taxes		4,628
Current liabilities:
Advertising fund liabilities		113,798
Other accrued liabilities		60,943
Long-term liabilities:
Other accrued liabilities		34,390
Stockholders' deficit:
Retained deficit		$ (2,746,138)

[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.