Employee Benefits A Reconciliation of Benefit Obligations (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended			3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014	Mar. 31, 2013	Jun. 30, 2013
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Employer contributions	$ 4,009	$ 4,435	$ 5,056
Accrued noncurrent benefit liability recorded in Pension, Postretirement and Other Long-Term Liabilities	(91,252)	(81,415)
U.S. Pension Plans [Member]
Defined Benefit Plan, Change in Benefit Obligation [Roll Forward]
Benefit obligation, beginning	98,811	107,492		107,492
Service cost	1,856	1,839	1,752
Interest cost	3,969	3,956	4,289
Actuarial (gains) losses	9,813	(5,090)
Settlements/special termination benefits	(517)	(4,223)
Transfers	0	0
Effects of currency translation	0	0
Benefits paid	(6,759)	(5,163)
Benefit obligation, ending	107,173	98,811	107,492
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Fair value of plan assets, beginning	44,597	45,242		45,242
Actual return on plan assets	1,832	4,121
Employer contributions	5,768	4,620
Plan settlements	(517)	(4,223)
Effects of currency translation	0	0
Fair value of plan assets, ending	44,921	44,597	45,242
Net amount recognized	(62,252)	(54,214)
Noncurrent benefit asset recorded in Other Noncurrent Assets	0	0
Accrued current benefit liability recorded in Accrued Expenses and Other Current Liabilities	(2,975)	(3,083)
Accrued noncurrent benefit liability recorded in Pension, Postretirement and Other Long-Term Liabilities	(59,277)	(51,131)
Non-U.S. Pension Plans [Member]
Defined Benefit Plan, Change in Benefit Obligation [Roll Forward]
Benefit obligation, beginning	66,847	70,684		70,684
Service cost	173	282	288
Interest cost	2,711	2,820	3,046
Actuarial (gains) losses	9,349	(3,184)
Settlements/special termination benefits	(136)	1,226
Transfers	230	0
Effects of currency translation	(5,985)	2,754
Benefits paid	(3,250)	(7,735)
Benefit obligation, ending	69,939	66,847	70,684
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Fair value of plan assets, beginning	52,133	45,603		45,603
Actual return on plan assets	5,137	3,433
Employer contributions	3,686	8,193
Plan settlements	(208)	0
Effects of currency translation	(3,789)	2,639
Fair value of plan assets, ending	53,709	52,133	45,603
Net amount recognized	(16,230)	(14,714)
Noncurrent benefit asset recorded in Other Noncurrent Assets	175	0
Accrued current benefit liability recorded in Accrued Expenses and Other Current Liabilities	(1,173)	(1,175)
Accrued noncurrent benefit liability recorded in Pension, Postretirement and Other Long-Term Liabilities	(15,232)	(13,539)
Pension Plan Termination Effects [Member]
Defined Benefit Plan Disclosure [Line Items]
Restructuring charges	$ 1,261			$ 1,261