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Project Summit Project Summit - Restructuring Rollforward (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended		9 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020
Restructuring Reserve [Roll Forward]
Amounts accrued	$ 39,298	$ 0	$ 80,344	$ 0	$ 128,941
Project Summit Costs
Restructuring Reserve [Roll Forward]
Balance as of December 31, 2019			17,777
Amounts accrued	39,298		80,344
Payments			(72,757)
Other, including currency translation adjustments			(2,716)
Balance as of June 30, 2020	22,648		22,648		22,648
Accrued professional fees | Project Summit Costs
Restructuring Reserve [Roll Forward]
Balance as of December 31, 2019			13,000
Balance as of June 30, 2020	16,000		16,000		16,000
Accrued employee severance costs | Project Summit Costs
Restructuring Reserve [Roll Forward]
Balance as of December 31, 2019			4,800
Balance as of June 30, 2020	$ 6,600		$ 6,600		$ 6,600

X

- Definition

Amount of cash payments made as the result of exit or disposal activities. Excludes payments associated with a discontinued operation or an asset retirement obligation.

+ References

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Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.

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Carrying amount (including both current and noncurrent portions of the accrual) as of the balance sheet date pertaining to a specified type of cost associated with exit from or disposal of business activities or restructuring pursuant to a duly authorized plan.

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Amount of increase (decrease) in the restructuring reserve related to foreign currency translation (gain) loss and other increases (decreases).

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