Leases Impact of Adoption (Details) - USD ($)	Nov. 30, 2019	Jun. 02, 2019	Jun. 01, 2019
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Right of use assets	$ 232,500,000		$ 0
Total operating lease liabilities	261,900,000
Retained earnings	$ 826,700,000		$ 712,700,000
Accounting Standards Update 2016-02
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Right of use assets		$ 245,000,000
Total operating lease liabilities		275,000,000
Retained earnings		$ 0