CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2014	Dec. 31, 2013
Other Comprehensive Income (Loss), Amortization Adjustment from AOCI, Pension and Other Postretirement Benefit Plans, for Net Prior Service (Cost) Credit, Tax	$ 137	$ 89	$ 412	$ 267
Net Income (Loss) Attributable to Parent	38,124	28,506	93,665	90,566
Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, Net of Tax	(569)	157	(510)	252
Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Adjustment, Net of Tax	(222)	(140)	(665)	(419)
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax	(18,806)	945	(35,497)	8,244
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent	(19,597)	962	(36,672)	8,077
Comprehensive Income (Loss), Net of Tax, Attributable to Parent	18,527	29,468	56,993	98,643
Other Comprehensive Income (Loss), Available-for-sale Securities, Tax	$ 172	$ 0	$ 172	$ 0