Fair Value Measurements (Financial Assets And Liabilities Measured At Fair Value On Recurring Basis) (Details) - USD ($) $ in Thousands	Jun. 30, 2021	Mar. 31, 2021	Jun. 30, 2020
Assets:
Money market funds	$ 1,992	$ 1,992	$ 4,013
Trading securities associated with deferred compensation plans	15,735	15,735	13,963
Forward foreign currency exchange contracts	8,547	1,572	720
Total financial assets measured and reported at fair value	26,274	19,299	18,696
Liabilities:
Business Combination, Contingent Consideration, Liability, Current	2,532
Business Combination, Contingent Consideration, Liability, Noncurrent		2,532	2,532
Interest Rate Derivative Liabilities, at Fair Value	24,892	25,719	39,022
Forward foreign currency exchange contracts	2,151	1,822	2,092
Total financial liabilities measured and reported at fair value	29,575	30,073	43,646
Net Asset Value [Member]
Assets:
Money market funds	1,992	1,992	4,013
Trading securities associated with deferred compensation plans	0	0	0
Forward foreign currency exchange contracts	0	0	0
Total financial assets measured and reported at fair value	1,992	1,992	4,013
Liabilities:
Business Combination, Contingent Consideration, Liability, Current	0
Business Combination, Contingent Consideration, Liability, Noncurrent		0	0
Interest Rate Derivative Liabilities, at Fair Value	0	0	0
Forward foreign currency exchange contracts	0	0	0
Total financial liabilities measured and reported at fair value	0	0	0
Level 1 [Member]
Assets:
Money market funds	0	0	0
Trading securities associated with deferred compensation plans	15,735	15,735	13,963
Forward foreign currency exchange contracts	0	0	0
Total financial assets measured and reported at fair value	15,735	15,735	13,963
Liabilities:
Business Combination, Contingent Consideration, Liability, Current	0
Business Combination, Contingent Consideration, Liability, Noncurrent		0	0
Interest Rate Derivative Liabilities, at Fair Value	0	0	0
Forward foreign currency exchange contracts	0	0	0
Total financial liabilities measured and reported at fair value	0	0	0
Level 2 [Member]
Assets:
Money market funds	0	0	0
Trading securities associated with deferred compensation plans	0	0	0
Forward foreign currency exchange contracts	8,547	1,572	720
Total financial assets measured and reported at fair value	8,547	1,572	720
Liabilities:
Business Combination, Contingent Consideration, Liability, Current	0
Business Combination, Contingent Consideration, Liability, Noncurrent		0	0
Interest Rate Derivative Liabilities, at Fair Value	24,892	25,719	39,022
Forward foreign currency exchange contracts	2,151	1,822	2,092
Total financial liabilities measured and reported at fair value	27,043	27,541	41,114
Level 3 [Member]
Assets:
Money market funds	0	0	0
Trading securities associated with deferred compensation plans	0	0	0
Forward foreign currency exchange contracts	0	0	0
Total financial assets measured and reported at fair value	0	0	0
Liabilities:
Business Combination, Contingent Consideration, Liability, Current	2,532
Business Combination, Contingent Consideration, Liability, Noncurrent		2,532	2,532
Interest Rate Derivative Liabilities, at Fair Value	0	0	0
Forward foreign currency exchange contracts	0	0	0
Total financial liabilities measured and reported at fair value	$ 2,532	$ 2,532	$ 2,532