Commitments, Guarantees And Contingencies (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013
Rental commitments under these agreements
Operating leases obligations, Total	$ 32,848
Operating leases obligations 2014	8,152
Operating leases obligations 2015	7,043
Operating leases obligations 2016	6,519
Operating leases obligations 2017	4,595
Operating leases obligations 2018 and beyond	6,539
Contingent Consideration and Other Acquisition Related Liabilities Due [Abstract]
Contingent consideration and other acquisition related liabilities, Total	3,050
Contingent consideration and other acquisition related liabilities 2014	1,778
Contingent consideration and other acquisition related liabilities 2015	646
Contingent consideration and other acquisition related liabilities 2016	313
Contingent consideration and other acquisition related liabilities 2017	313
Contingent consideration and other acquisition related liabilities 2018 and beyond	0
Contractual Obligation, Fiscal Year Maturity [Abstract]
Contractual Obligation	35,898
Contractual Obligation 2014	9,930
Contractual Obligation 2015	7,689
Contractual Obligation 2016	6,832
Contractual Obligation 2017	4,908
Contractual Obligation 2018 and beyond	$ 6,539

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Contingent Consideration and Other Acquisition Related Liabilities, Future Minimum Payments Due in Three Years

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