Segment Information - Segment Profit by Segment (Detail) - USD ($) $ in Thousands	3 Months Ended
Mar. 28, 2020	Mar. 30, 2019
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Corporate and other	$ (22,876)	$ (23,662)
Interest expense, net	(29,982)	(30,298)
Amortization of other intangible assets	(4,592)	(4,633)
Long-lived asset impairment charges	(74)	(323)
Other loss, net	(670)	(4)
Income before income taxes	70,660	71,070
Operating Segments
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Reportable segment profit	128,854	129,990
Operating Segments \| Dunkin' Donuts \| United States
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Reportable segment profit	109,306	111,034
Operating Segments \| Dunkin' Donuts \| International
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Reportable segment profit	3,491	4,831
Operating Segments \| Baskin-Robbins \| United States
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Reportable segment profit	6,609	6,323
Operating Segments \| Baskin-Robbins \| International
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Reportable segment profit	9,448	7,802
Operating Segments \| U.S. Advertising Funds \| United States
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Reportable segment profit	$ 0	$ 0

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The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

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Amount of income (loss) from continuing operations, including income (loss) from equity method investments, before deduction of income tax expense (benefit), and income (loss) attributable to noncontrolling interest.

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