Summary of Significant Accounting Policies - Property Plant and Equipment (Details) - USD ($) $ in Thousands	Dec. 30, 2017	Dec. 31, 2016
Accounting Policies [Abstract]
Land	$ 28,996	$ 21,309
Building and improvements	175,678	134,158
Furniture and fixtures	54,362	56,851
Machinery and equipment	165,157	128,688
Property, pland and equipment, gross	424,193	341,006
Less accumulated depreciation	(142,278)	(119,435)
Property, plant and equipment, net	$ 281,915	$ 221,571