Derivatives (Details) - Cash flow hedges R$ in Thousands, $ in Thousands		Dec. 31, 2018 USD ($)	Dec. 31, 2018 BRL (R$)	Jun. 30, 2018 USD ($)
Options | Brazilian Real calls
Derivative [Line Items]
Notional amount | R$			R$ 75,000
Fair value	[1]	$ 551		$ 71
Options | Brazilian Real puts
Derivative [Line Items]
Notional amount | R$			R$ 75,000
Fair value		(146)		0
Swap | Interest rate swap
Derivative [Line Items]
Notional amount		150,000
Swap | Interest rate swap | Other assets
Derivative [Line Items]
Fair value		$ 2,972		$ 5,078

[1] We record the net fair values of our outstanding foreign currency option contracts within the respective balance sheet line item based on the net financial position and maturity date of the individual contracts as of the balance sheet date. The net fair values of $405 and $71 were included in other current assets as of December 31, 2018 and June 30, 2018, respectively.