Employee Benefit Plans (Summary of Components of Net Periodic Pension Cost of Defined Benefit Plan Recognized) (Details) - USD ($) $ in Thousands		12 Months Ended
	Sep. 27, 2018	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Employee Benefits and Share-based Compensation, Noncash [Abstract]
Service cost		$ 1,460	$ 121	$ 62
Interest cost		101	43	38
Amortization of prior service cost		83	83	83
Net periodic benefit cost		$ 1,644	$ 247	$ 183
Defined Benefit Plan, Prior Period Expense	$ 1,100