Fair Value Measurements - Financial Assets and Liabilities, Classified by Level (Details) - USD ($) $ in Thousands	Jun. 30, 2023	Mar. 31, 2023
Liabilities:
Contingent consideration included in accrued and other current liabilities	$ 6,500	$ 6,629
Fair Value, Measurements, Recurring | Level 1
Assets:
Cash equivalents	745,255	661,884
Investments for deferred compensation plan	29,884	28,213
Currency derivative assets included in other current assets	0	0
Liabilities:
Contingent consideration included in accrued and other current liabilities	0	0
Currency derivative liabilities included in accrued and other current liabilities	0	0
Fair Value, Measurements, Recurring | Level 1 | Cash
Assets:
Investments for deferred compensation plan	68	41
Fair Value, Measurements, Recurring | Level 1 | Common stock
Assets:
Investments for deferred compensation plan	1,193	988
Fair Value, Measurements, Recurring | Level 1 | Money market funds
Assets:
Investments for deferred compensation plan	10,592	9,606
Fair Value, Measurements, Recurring | Level 1 | Mutual funds
Assets:
Investments for deferred compensation plan	18,031	17,578
Fair Value, Measurements, Recurring | Level 2
Assets:
Cash equivalents	0	0
Investments for deferred compensation plan	0	0
Currency derivative assets included in other current assets	141	107
Liabilities:
Contingent consideration included in accrued and other current liabilities	0	0
Currency derivative liabilities included in accrued and other current liabilities	893	2,187
Fair Value, Measurements, Recurring | Level 2 | Cash
Assets:
Investments for deferred compensation plan	0	0
Fair Value, Measurements, Recurring | Level 2 | Common stock
Assets:
Investments for deferred compensation plan	0	0
Fair Value, Measurements, Recurring | Level 2 | Money market funds
Assets:
Investments for deferred compensation plan	0	0
Fair Value, Measurements, Recurring | Level 2 | Mutual funds
Assets:
Investments for deferred compensation plan	0	0
Fair Value, Measurements, Recurring | Level 3
Assets:
Cash equivalents	0	0
Investments for deferred compensation plan	0	0
Currency derivative assets included in other current assets	0	0
Liabilities:
Contingent consideration included in accrued and other current liabilities	6,500	6,629
Currency derivative liabilities included in accrued and other current liabilities	0	0
Fair Value, Measurements, Recurring | Level 3 | Cash
Assets:
Investments for deferred compensation plan	0	0
Fair Value, Measurements, Recurring | Level 3 | Common stock
Assets:
Investments for deferred compensation plan	0	0
Fair Value, Measurements, Recurring | Level 3 | Money market funds
Assets:
Investments for deferred compensation plan	0	0
Fair Value, Measurements, Recurring | Level 3 | Mutual funds
Assets:
Investments for deferred compensation plan	$ 0	$ 0