Acquisitions - Additional Information (Detail) - USD ($) $ in Thousands					3 Months Ended		9 Months Ended
	May 05, 2016	Dec. 04, 2015	Feb. 27, 2015	Feb. 04, 2015	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015	Dec. 31, 2015
Business Acquisition [Line Items]
Net cash payments to acquire businesses							$ 65,849	$ 55,687
Goodwill related to acquisition					$ 437,009		437,009		$ 396,220
General and administrative expenses
Business Acquisition [Line Items]
Direct and indirect expense incurred related to acquisitions					$ 200	$ 100	$ 1,700	$ 800
LABite
Business Acquisition [Line Items]
Net cash payments to acquire businesses	$ 65,849
Cash acquired in business acquisition	$ 2,566
Acquisition date	May 05, 2016
Goodwill related to acquisition	$ 40,789
Goodwill expected to be deductible for income tax purposes	$ 4,400
DiningIn
Business Acquisition [Line Items]
Acquisition date				Feb. 04, 2015
Restaurants on the Run, Inc
Business Acquisition [Line Items]
Acquisition date			Feb. 27, 2015
Delivered Dish
Business Acquisition [Line Items]
Acquisition date		Dec. 04, 2015
Dining In, Restaurants on Run and Delivered Dish
Business Acquisition [Line Items]
Net cash payments to acquire businesses		$ 73,907
Cash acquired in business acquisition		698
Goodwill related to acquisition		43,432
Business acquisition, transaction value		$ 89,887
Dining In, Restaurants on Run and Delivered Dish | Common stock
Business Acquisition [Line Items]
Business acquisitions, share issued		407,812