Leases Weighted Average Remaining Lease Term and Discount Rates (Details)	3 Months Ended
	Mar. 30, 2019
Weighted-Average Remaining Lease Terms [Abstract]
Finance leases (in years)	9 months 18 days
Operating leases (in years)	4 years 10 months 24 days
Weighted-Average Discount Rates [Abstract]
Finance leases, percent	0.00%
Operating leases, percent	5.50%