Consolidated Statement Of Stockholders' Equity (Unaudited) - 6 months ended Dec. 31, 2016 - USD ($) shares in Thousands, $ in Thousands	Total	Common Stock [Member]	Additional Paid-In Capital [Member]	Retained Earnings [Member]	Treasury Stock [Member]	Accumulated Other Comprehensive Income (Loss) [Member]
Balance at Jun. 30, 2016	$ 1,664,514	$ 1,075	$ 1,123,206	$ 801,392	$ (89,048)	$ (172,111)
Balance, shares at Jun. 30, 2016	107,479	107,479			4,018
Stockholders' Equity [Roll Forward]
Net income	$ 35,789			35,789
Other comprehensive loss	(83,422)					(83,422)
Issuance of common stock pursuant to stock based compensation plans	0	$ 5	1,994		$ (1,999)
Issuance of common stock pursuant to stock based compensation plans, shares		487			2
Stock based compensation income tax effects	3,050		3,050
Shares withheld for payment of employee payroll taxes due on shares issued under stock based compensation plans	(7,934)				$ (7,934)
Shares withheld for payment of employee payroll taxes due on shares issued under stock based compensation plans, shares					259
Stock based compensation expense	5,235		5,235
Balance at Dec. 31, 2016	$ 1,617,232	$ 1,080	$ 1,133,485	$ 837,181	$ (98,981)	$ (255,533)
Balance, shares at Dec. 31, 2016	107,966	107,966			4,279