Value Creation Plan (Disclosure of costs incurred and charged to expense in Value Creation Plan) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 28, 2020	Mar. 30, 2019
Restructuring Cost and Reserve [Line Items]
Selling, general and administrative expenses	$ 27,206	$ 26,248
Value Creation Plan [Member]
Restructuring Cost and Reserve [Line Items]
Selling, general and administrative expenses	1,036	203
Other expense	959	1,655
Restructuring Charges	$ 1,995	$ 1,858