Summary of Property, Plant and Equipment (Detail) - USD ($) $ in Thousands	Dec. 26, 2015	Dec. 27, 2014
Property, Plant and Equipment [Line Items]
Machinery and plant equipment	$ 387,180	$ 358,781
Kegs	71,391	72,124
Land	25,135	23,992
Building and building improvements	101,836	77,130
Office equipment and furniture	19,635	14,063
Leasehold improvements	12,037	7,889
Property, Plant and Equipment, Gross, Total	617,214	553,979
Less accumulated depreciation	207,288	172,410
Property, plant and equipment, net	$ 409,926	$ 381,569