Fair Value Measurements (Details 3) (USD $) In Thousands, unless otherwise specified	3 Months Ended		3 Months Ended		3 Months Ended			3 Months Ended			3 Months Ended			3 Months Ended
	Jun. 30, 2012 SERP obligations [Member]	Mar. 31, 2011 SERP obligations [Member]	Jun. 30, 2013 Contingent Consideration [Member]	Mar. 31, 2012 Contingent Consideration [Member]	Jun. 30, 2013 Other employee benefits plans obligations [Member]	Jun. 30, 2012 Other employee benefits plans obligations [Member]	Mar. 31, 2011 Other employee benefits plans obligations [Member]	Jun. 30, 2013 Restructuring liabilities [Member]	Jun. 30, 2012 Restructuring liabilities [Member]	Mar. 31, 2011 Restructuring liabilities [Member]	Jun. 30, 2013 Goodwill [Member]	Jun. 30, 2012 Goodwill [Member]	Mar. 31, 2011 Goodwill [Member]	Jun. 30, 2013 Intangible Assets [Member]	Jun. 30, 2012 Intangible Assets [Member]	Mar. 31, 2011 Intangible Assets [Member]
Fair Value Assets Measured on Nonrecurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Balance at April 1												$ 14,128	$ 15,198		$ 11,283	$ 12,444
Foreign currency translation adjustments											7	(89)		0	0
Amortization											0	0		(290)	(290)
Provisions											0	0		0	0
Purchases											3,372			605
Activity, payments and other charges, net											0	0		0	0
Balance at June 30											17,507	15,109	15,198	11,598	12,154	12,444
Fair Value, Liabilities Measured on Nonrecurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Balance at April 1		3,323		0		196	196		584	6,047
Foreign currency translation adjustment	0		0		0	0		0	0
Amortization	0		0		0	0		0	0
Provisions	0		0		0	0		55	1,125
Purchases			0		0			0
Activity, payments and other charges, net	(3,323)		1,800		0	0		(354)	(3,549)
Balance at June 30	$ 0	$ 3,323	$ 1,800	$ 0	$ 196	$ 196	$ 196	$ 285	$ 3,623	$ 6,047