Basis of Presentation - Narrative (Details) - USD ($) $ in Thousands	Jun. 01, 2019	Aug. 31, 2019	May 31, 2019
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Reserve for obsolete inventory		$ 33,400	$ 32,700
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Operating lease right-of-use assets, net		163,089
Operating lease liabilities		$ 168,694
Other Accumulated Comprehensive Loss
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Reclassification adjustment for stranded income tax effects	$ 2,000
Retained Earnings
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Reclassification adjustment for stranded income tax effects	(2,000)
Accounting Standards Update 2016-02
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Operating lease right-of-use assets, net	168,000
Operating lease liabilities	$ 173,400