Acquisitions and Divestitures - Acquired Intangible Assets and Weighted Average Amortization Periods (Details) - USD ($) $ in Thousands	Feb. 28, 2020	Jul. 18, 2019
Flow MD
Acquired Finite-Lived Intangible Assets [Line Items]
Acquired intangible assets, Total	$ 49,500
Flow MD | Trade names
Acquired Finite-Lived Intangible Assets [Line Items]
Acquired intangible assets, Total	$ 6,000
Acquired intangible assets, Weighted Average Life	15 years
Flow MD | Customer relationships
Acquired Finite-Lived Intangible Assets [Line Items]
Acquired intangible assets, Total	$ 28,000
Acquired intangible assets, Weighted Average Life	10 years
Flow MD | Unpatented technology
Acquired Finite-Lived Intangible Assets [Line Items]
Acquired intangible assets, Total	$ 15,500
Acquired intangible assets, Weighted Average Life	20 years
Velcora Holding AB
Acquired Finite-Lived Intangible Assets [Line Items]
Acquired intangible assets, Total		$ 48,183
Velcora Holding AB | Trade names
Acquired Finite-Lived Intangible Assets [Line Items]
Acquired intangible assets, Total		$ 7,089
Acquired intangible assets, Weighted Average Life		15 years
Velcora Holding AB | Customer relationships
Acquired Finite-Lived Intangible Assets [Line Items]
Acquired intangible assets, Total		$ 34,677
Acquired intangible assets, Weighted Average Life		12 years
Velcora Holding AB | Unpatented technology
Acquired Finite-Lived Intangible Assets [Line Items]
Acquired intangible assets, Total		$ 6,417
Acquired intangible assets, Weighted Average Life		9 years