Summary of Significant Accounting Policies - Recent Accounting Pronouncements (Details) - USD ($) $ in Thousands	Mar. 28, 2020	Mar. 31, 2019
Recent Accounting Pronouncements
Right-of-use assets	$ 170,243
Total lease liabilities	$ 195,714
ASU No. 2016-02
Recent Accounting Pronouncements
Change in Accounting Principle, Accounting Standards Update, Adopted [true false]	true
Right-of-use assets		$ 164,500
Total lease liabilities		$ 179,400
ASU No. 2017-04
Recent Accounting Pronouncements
Change in Accounting Principle, Accounting Standards Update, Adopted [true false]	false