Leases - Supplemental balance sheet information (Details) $ in Thousands	Mar. 30, 2019 USD ($)
Operating Leases
Right of use operating lease assets	$ 320,800
Finance Leases
Property, plant and equipment, gross	9,086
Accumulated depreciation	(2,817)
Property, plant and equipment, net	6,269
Total lease assets	327,069
Operating Leases
Other current	99,642
Non-current	227,595
Total operating liabilities	327,237
Finance Leases
Short-term debt	1,179
Long-term debt	5,130
Total finance liabilities	6,309
Total lease liabilities	$ 333,546