Property, Plant And Equipment, Net (Components Of Property, Plant And Equipment) (Details) - USD ($) $ in Thousands	Jun. 30, 2016	Jun. 30, 2015
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 798,702	$ 770,246
Accumulated depreciation and amortization	(414,426)	(382,488)
Property, plant and equipment, net	384,276	387,758
Machinery And Equipment [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	197,485	198,047
Computer Equipment [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	154,105	125,423
Furniture And Fixtures [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	40,776	38,511
Vehicles [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	9,060	5,371
Clinical, Demonstration And Rental Equipment [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	79,641	80,911
Leasehold Improvements [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	33,795	31,553
Land [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	54,338	54,915
Buildings [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 229,502	$ 235,515