Commitments, Guarantees And Contingencies (Details) - USD ($)	Mar. 31, 2016	Jan. 04, 2016	Mar. 31, 2015	Mar. 31, 2014
Debt Instrument [Line Items]
Contingent consideration related to acquisitions	$ 15,000,000
Operating Lease Obligations
Operating lease obligations	70,414,000
2017	8,773,000
2018	9,863,000
2019	8,903,000
2020	7,936,000
2021	7,909,000
2022 and beyond	27,030,000
Line of Credit Obligations
Line of credit obligations	105,000,000
2017	0
2018	0
2019	0
2020	0
2021	105,000,000
2022 and beyond	0
Contingent Consideration and Other Acquisition Related Liabilities Due
Contingent consideration and other acquisition related liabilities (excluding share-based payments) (2)	15,700,000
2017	15,700,000
2018	0
2019	0
2020	0
2021	0
2022 and beyond	0
Contractual Obligation, Fiscal Year Maturity
Total contractual obligations	191,114,000
2017	23,973,000
2018	10,363,000
2019	8,903,000
2020	7,936,000
2021	112,909,000
2022 and beyond	27,030,000
Revolving Credit Facility [Member] | JP Morgan Chase Bank, N.A. [Member]
Debt Instrument [Line Items]
Maximum borrowing capacity	250,000,000
Outstanding loans	105,000,000
HealthFusion [Member]
Debt Instrument [Line Items]
Contingent consideration, potential		$ 25,000,000
Contingent consideration related to acquisitions	$ 16,700,000		$ 0	$ 0