Fair Value Of Financial Instruments (Outstanding Foreign Exchange Contracts) (Details) - 3 months ended Sep. 30, 2018 $ in Thousands	R / shares	USD ($) R / item
Foreign Exchange Contract 1 [Member]
Derivatives, Fair Value [Line Items]
Notional amount | $		$ 269,800
Strike price | R / item		14.2023
Fair market value price | R / shares	R 14.1489
Maturity	Oct. 02, 2018
Foreign Exchange Contract 2 [Member]
Derivatives, Fair Value [Line Items]
Notional amount | $		$ 280,000
Strike price | R / item		15.2480
Fair market value price | R / shares	R 14.2466
Maturity	Nov. 23, 2018
Foreign Exchange Contract 3 [Member]
Derivatives, Fair Value [Line Items]
Notional amount | $		$ 420,000
Strike price | R / item		15.3071
Fair market value price | R / shares	R 14.2993
Maturity	Dec. 21, 2018
Foreign Exchange Contract 4 [Member]
Derivatives, Fair Value [Line Items]
Notional amount | $		$ 420,000
Strike price | R / item		15.3801
Fair market value price | R / shares	R 14.3647
Maturity	Jan. 25, 2019
Foreign Exchange Contract 5 [Member]
Derivatives, Fair Value [Line Items]
Notional amount | $		$ 140,000
Strike price | R / item		15.4386
Fair market value price | R / shares	R 14.4168
Maturity	Feb. 22, 2019
Foreign Exchange Contract 6 [Member]
Derivatives, Fair Value [Line Items]
Notional amount | $		$ 420,000
Strike price | R / item		15.4939
Fair market value price | R / shares	R 14.4652
Maturity	Mar. 20, 2019
Foreign Exchange Contract 7 [Member]
Derivatives, Fair Value [Line Items]
Notional amount | $		$ 420,000
Strike price | R / item		15.5704
Fair market value price | R / shares	R 14.5334
Maturity	Apr. 26, 2019