Goodwill And Other Intangible Assets (Other Intangibles) (Details) - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Mar. 31, 2015
Other intangible assets by major class
Gross carrying amount	$ 400,804		$ 389,209
Accumulated amortization	(152,039)		(144,690)
Net carrying amount	248,765		244,519
Amortization	8,115	$ 7,752
Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract]
Estimated future amortization expense in remainder of 2016	22,900
Estimated future amortization expense in 2017	28,700
Estimated future amortization expense in 2018	26,400
Estimated future amortization expense in 2019	24,300
Estimated future amortization expense in 2020	22,800
Estimated future amortization expense thereafter	123,700
Customer relationships [Member]
Other intangible assets by major class
Gross carrying amount	353,575		345,805
Accumulated amortization	(126,243)		(120,321)
Net carrying amount	227,332		225,484
Non-competition agreements [Member]
Other intangible assets by major class
Gross carrying amount	47,029		43,204
Accumulated amortization	(25,758)		(24,335)
Net carrying amount	21,271		18,869
Other intangible assets [Member]
Other intangible assets by major class
Gross carrying amount	200		200
Accumulated amortization	(38)		(34)
Net carrying amount	162		$ 166
Customer relationships, non-competition agreements and other [Member]
Other intangible assets by major class
Amortization	$ 7,600	$ 7,400
Weighted Average [Member] | Customer relationships [Member]
Other intangible assets by major class
Other intangible assets, remaining amortization period	17 years		17 years
Weighted Average [Member] | Non-competition agreements [Member]
Other intangible assets by major class
Other intangible assets, remaining amortization period	6 years		6 years