For contingent consideration arrangements recognized in connection with a business combination, this element represents an estimate of the high-end of the potential range (undiscounted) of the consideration which may be paid.

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For contingent consideration arrangements and indemnification assets recognized in connection with a business combination, this element represents an estimate of the low-end of the potential range (undiscounted) of the consideration which may be paid.

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Amount of liability recognized arising from contingent consideration in a business combination.

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Fair Value Measurements - Narrative (Details) - USD ($)	Oct. 31, 2019	Oct. 01, 2019	Jul. 31, 2019	Mar. 21, 2018
Assets and Liabilities Measured and Recorded at Fair Value on a Recurring Basis
Contingent consideration	$ 35,100,000		$ 0
Hu-Friedy
Assets and Liabilities Measured and Recorded at Fair Value on a Recurring Basis
Contingent consideration, low end of range		$ 0
Contingent consideration, high end of range		50,000,000
Contingent consideration		$ 35,100,000
Aexis
Assets and Liabilities Measured and Recorded at Fair Value on a Recurring Basis
Contingent consideration, low end of range				$ 0
Contingent consideration, high end of range				1,850,000
Contingent consideration				$ 1,292,000