Acquisitions and Divestitures (Detail) - USD ($) $ in Thousands			3 Months Ended	12 Months Ended
	Jun. 21, 2016	Jun. 20, 2016	Dec. 31, 2016	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Business Acquisition [Line Items]
Goodwill			$ 154,112	$ 154,112	$ 86,841
Loss from discontinued operations, net of tax				312	1,095	$ 652
Gain (loss) on sale of discontinued operations, net of tax				(376)	$ 668	$ 543
Friendly’s Holdings
Business Acquisition [Line Items]
Aggregate purchase price	$ 158,200	$ 157,300
Base purchase price		155,000
Working capital adjustments		2,300
Additional consideration transferred	$ 900
Decrease to deferred tax liabilities			$ 11,100
Identifiable intangible assets and other long-term assets		$ 81,709
Weighted average useful life		15 years
Unfavorable lease contract assumed		$ 5,400
Goodwill		67,271
Acquisition-related expenses				$ 4,600
Friendly’s Holdings | Customer relationships
Business Acquisition [Line Items]
Intangible assets acquired		$ 29,700