Shareholders' Equity (Schedule Of Changes In Accumulated Other Comprehensive Income And Changes In Equity) (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2011	Dec. 31, 2010
Changes In Accumulated Other Comprehensive Income And Changes In Equity [Line Items]
Beginning Balance			$ 1,423,658	$ 1,134,892
Net income	59,255	53,052	107,622	80,440
Foreign currency translation			(110,394)	80,474
Unrealized gain (loss) on hedging derivatives			51,700	(31,739)
Pension liability adjustment			(345)	(357)
Unrealized gain (loss) on available-for-sale securities			(177)	2,084
Comprehensive income			48,406	130,902
Exercise of stock options, net of shares received			(26)	2,199
Share-based compensation, net			7,631	9,277
Dividends ($0.30 per share)			(10,504)
Ending Balance	1,469,165	1,277,270	1,469,165	1,277,270
Dividend per share			$ 0.30
Preferred Stock [Member]
Changes In Accumulated Other Comprehensive Income And Changes In Equity [Line Items]
Beginning Balance			0	0
Net income			0	0
Foreign currency translation			0	0
Unrealized gain (loss) on hedging derivatives			0	0
Pension liability adjustment			0	0
Unrealized gain (loss) on available-for-sale securities			0	0
Exercise of stock options, net of shares received			0	0
Share-based compensation, net			0	0
Dividends ($0.30 per share)			0
Ending Balance	0	0	0	0
Common Stock [Member]
Changes In Accumulated Other Comprehensive Income And Changes In Equity [Line Items]
Beginning Balance			956	952
Net income			0	0
Foreign currency translation			0	0
Unrealized gain (loss) on hedging derivatives			0	0
Pension liability adjustment			0	0
Unrealized gain (loss) on available-for-sale securities			0	0
Exercise of stock options, net of shares received			2	1
Share-based compensation, net			0	0
Dividends ($0.30 per share)			0
Ending Balance	958	953	958	953
Additional Paid-In Capital [Member]
Changes In Accumulated Other Comprehensive Income And Changes In Equity [Line Items]
Beginning Balance			915,433	892,129
Net income			0	0
Foreign currency translation			0	0
Unrealized gain (loss) on hedging derivatives			0	0
Pension liability adjustment			0	0
Unrealized gain (loss) on available-for-sale securities			0	0
Exercise of stock options, net of shares received			(28)	2,198
Share-based compensation, net			7,631	9,277
Dividends ($0.30 per share)			0
Ending Balance	923,036	903,604	923,036	903,604
Accumulated Other Comprehensive Income [Member]
Changes In Accumulated Other Comprehensive Income And Changes In Equity [Line Items]
Beginning Balance			136,733	3,666
Net income			0	0
Foreign currency translation			(110,394)	80,474
Unrealized gain (loss) on hedging derivatives			51,700	(31,739)
Pension liability adjustment			(345)	(357)
Unrealized gain (loss) on available-for-sale securities			(177)	2,084
Exercise of stock options, net of shares received			0	0
Share-based compensation, net			0	0
Dividends ($0.30 per share)			0
Ending Balance	77,517	54,128	77,517	54,128
Retained Earnings [Member]
Changes In Accumulated Other Comprehensive Income And Changes In Equity [Line Items]
Beginning Balance			1,418,106	1,285,715
Net income			107,622	80,440
Foreign currency translation			0	0
Unrealized gain (loss) on hedging derivatives			0	0
Pension liability adjustment			0	0
Unrealized gain (loss) on available-for-sale securities			0	0
Exercise of stock options, net of shares received			0	0
Share-based compensation, net			0	0
Dividends ($0.30 per share)			(10,504)
Ending Balance	1,515,224	1,366,155	1,515,224	1,366,155
Treasury Stock [Member]
Changes In Accumulated Other Comprehensive Income And Changes In Equity [Line Items]
Beginning Balance			(1,047,570)	(1,047,570)
Net income			0	0
Foreign currency translation			0	0
Unrealized gain (loss) on hedging derivatives			0	0
Pension liability adjustment			0	0
Unrealized gain (loss) on available-for-sale securities			0	0
Exercise of stock options, net of shares received			0	0
Share-based compensation, net			0	0
Dividends ($0.30 per share)			0
Ending Balance	$ (1,047,570)	$ (1,047,570)	$ (1,047,570)	$ (1,047,570)