LONG-TERM DEBT (Details) $ / shares in Units, BRL in Thousands					1 Months Ended					3 Months Ended			9 Months Ended				12 Months Ended
	Jul. 31, 2016 AUD loan	Jul. 14, 2016 USD ($)	Mar. 13, 2015 USD ($)	Dec. 21, 2009 USD ($)	Sep. 30, 2015 EUR (€) installment	Dec. 31, 2014 USD ($) loan	Jul. 31, 2014 USD ($)	May 31, 2014 USD ($)	Nov. 30, 2010 EUR (€)	Jun. 30, 2016 CAD	Jun. 30, 2016 USD ($)	Jun. 30, 2015 USD ($)	Jun. 30, 2016 EUR (€) shares	Jun. 30, 2016 CAD shares	Jun. 30, 2016 USD ($) $ / shares shares	Jun. 30, 2015 USD ($)	Sep. 30, 2015 USD ($)	Sep. 30, 2011 EUR (€)	Sep. 30, 2007 USD ($)	Jun. 30, 2016 CAD	Jun. 30, 2016 AUD	Jun. 30, 2016 USD ($) $ / shares	Jun. 30, 2016 BRL	May 18, 2016 USD ($)	Jun. 30, 2015 AUD	Jun. 30, 2015 USD ($)	May 31, 2014 AUD loan	Feb. 27, 2014 USD ($)	Feb. 14, 2014 USD ($)	Oct. 21, 2013 USD ($) property
Debt Instrument [Line Items]
Face amount																	$ 32,280,000					$ 8,000,000				$ 21,098,000				$ 37,913,000
Long-term debt outstanding																	843,569,000					931,614,000
Interest paid											$ 11,153,000	$ 10,541,000			$ 32,183,000	$ 31,041,000
Underwriting fees and other expense capitalized																	10,313,000
Loss from debt extinguishment, net																0
Maximum percentage of equity interest of subsidiaries borrowings guaranteed													65.00%	65.00%	65.00%
Line of credit facility, amount outstanding																						15,794,000
Number of properties refinanced | property																														4
Debt instrument, description of variable rate basis																		The revolving credit facility accrues interest at EURIBOR plus 1.75% per annum (1.75% at June 30, 2016).
Debt instrument, basis spread on variable rate												1.30%	1.25%	1.25%	1.25%
Long-term debt, gross																	861,199,000					949,698,000
Number of refinanced ESOP loan | loan						2
Number of new term loan refinance from esop loans | loan						1
Amount of line note available to purchase common stock in open market						$ 10,000,000
Shares purchased for award value															$ 20,000,000
Shares purchased for award value (usd per share) | $ / shares															$ 12.57
Stock Issued During Period, Shares, Employee Stock Ownership Plan | shares													1,591,117	1,591,117	1,591,117
Proceeds from issuance of long-term debt															$ 263,249,000	121,523,000
Capital lease maturity year																			2022
Long-term debt, percentage bearing fixed interest, percentage rate																			5.00%
Debt instrument, interest rate during period													6.00%	6.00%	6.00%
Northcote Holdings Pty. Ltd [Member]
Debt Instrument [Line Items]
Line of credit facility, amount outstanding																						$ 1,484,000
Debt instrument, number of loans | loan																											2
Subsequent Event [Member]
Debt Instrument [Line Items]
Debt Instrument, Number of Loans Refinanced | loan	2
Convert. debt due 2017 [Member]
Debt Instrument [Line Items]
Face amount				$ 100,000,000
Debt instrument, interest rate, stated percentage				4.00%
Debt instrument, convertible, conversion ratio													70.1632	70.1632	70.1632
Debt conversion, converted instrument, amount																	1,000
Debt instrument, convertible, conversion price (in Dollars per share) | $ / shares																						$ 14.25
Debt instrument, convertible, terms of conversion feature				1.00%
Debt instrument, convertible, if-converted value in excess of principal															$ 15,720,000
Term Loan [Member]
Debt Instrument [Line Items]
Debt Instrument, Frequency of Periodic Payment | installment					12
Term Loan Due 2019 [Member] | Subsequent Event [Member]
Debt Instrument [Line Items]
Face amount | AUD	AUD 30,000,000
Debt instrument, periodic payment, principal | AUD	750,000
Debt Instrument, Periodic Payment Terms, Balloon Payment to be Paid | AUD	AUD 21,000,000
Term Loan Due 2019 [Member] | Subsequent Event [Member] | Bank Bill Swap Bid Rate [Member]
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate	2.25%
Revolving Facility, June 2017 [Member] | Subsequent Event [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity | AUD	AUD 10,000,000
Revolving Facility, June 2017 [Member] | Subsequent Event [Member] | Bank Bill Swap Bid Rate [Member]
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate	2.00%
LIBOR Rate [Member]
Debt Instrument [Line Items]
Line of credit facility, interest rate during period			2.25%
Revolver due 2019 [Member]
Debt Instrument [Line Items]
Line of credit facility, remaining borrowing capacity																						$ 334,206,000
Revolver due 2019 [Member] | Letter Of Credit Subfacility [Member]
Debt Instrument [Line Items]
Line of credit facility, current borrowing capacity			$ 50,000
Revolver due 2019 [Member] | Multicurrency Subfacility [Member]
Debt Instrument [Line Items]
Line of credit facility, current borrowing capacity																													$ 50,000,000
Revolver due 2019 [Member] | Margin Rate [Member]
Debt Instrument [Line Items]
Line of credit facility, interest rate during period			1.25%
Senior Notes [Member] | Senior Notes 2022 [Member]
Debt Instrument [Line Items]
Long-term debt outstanding																								$ 725,000,000
Senior Notes [Member] | Senior Notes due 2022, May 2016 Add-On Issuance [Member]
Debt Instrument [Line Items]
Face amount																								$ 125,000,000
Issuance price, percentage																								98.76%
Debt issuance cost											3,016,000
Mortgages [Member]
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate					1.50%
Revolver Due 2020 [Member]
Debt Instrument [Line Items]
Line of credit facility, current borrowing capacity			$ 350,000
Convertible Subordinated Debt [Member] | Convert. debt due 2017 [Member]
Debt Instrument [Line Items]
Debt Instrument, Convertible, Threshold Number of Trading Days Prior to Maturity of Notes				42 days
Convertible Notes 2017 [Member]
Debt Instrument [Line Items]
Debt instrument, interest rate, effective percentage													4.00%							4.00%	4.00%	4.00%	4.00%
Senior notes due 2022 [Member]
Debt Instrument [Line Items]
Face amount																												$ 600,000,000
Debt instrument, interest rate, stated percentage																												5.25%
Long-term debt outstanding																	591,736,000					$ 713,234,000
Interest paid											$ 8,641,000	$ 7,875,000			$ 24,391,000	$ 23,625,000
Long-term debt, gross																	$ 600,000,000					$ 725,000,000
Debt instrument, interest rate during period										5.50%	5.50%		5.50%	5.50%	5.50%	5.50%
Debt instrument, interest rate, effective percentage													5.25%				5.25%			5.25%	5.25%	5.25%	5.25%
Senior notes due 2022 [Member] | Subsequent Event [Member]
Debt Instrument [Line Items]
Debt Conversion, Original Debt, Amount		$ 125,000,000
Real estate mortgages [Member]
Debt Instrument [Line Items]
Long-term debt outstanding																	$ 31,810,000					$ 37,911,000
Interest paid											$ 194,000	$ 117,000			$ 499,000	$ 357,000
Debt instrument, description of variable rate basis													The loans bear interest at a rate of LIBOR plus 1.50%	The loans bear interest at a rate of LIBOR plus 1.50%	The loans bear interest at a rate of LIBOR plus 1.50%
Debt instrument, basis spread on variable rate													2.25%	2.25%	2.25%
Long-term debt, gross																	32,280,000					38,533,000
Debt instrument, interest rate during period										2.30%	2.30%	3.80%	2.20%	2.20%	2.20%	3.80%
ESOP Loans [Member]
Debt Instrument [Line Items]
Long-term debt outstanding																	36,520,000					34,921,000
Interest paid											$ 274,000	$ 255,000			$ 805,000	$ 769,000
Debt instrument, basis spread on variable rate													2.38%	2.38%	2.38%
Long-term debt, gross																	$ 36,744,000					35,092,000
Debt instrument, periodic payment, principal															$ 551,000
Debt instrument balloon payment															$ 30,137,000
Debt instrument, interest rate during period										3.30%	3.30%	2.90%	3.20%	3.20%	3.20%	2.90%
ESOP Loan July 2014 [Member]
Debt Instrument [Line Items]
Amount of line note available to purchase common stock in open market							$ 10,000,000
ESOP Loan July 2014 [Member] | London Interbank Offered Rate (LIBOR) [Member]
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate													2.38%	2.38%	2.38%
Term Loan December 2013 and May 2014 [Member] | Northcote Holdings Pty. Ltd [Member]
Debt Instrument [Line Items]
Line of credit facility, amount outstanding																					AUD 30,000,000	$ 22,254,000
Debt instrument, basis spread on variable rate												2.80%
Debt instrument, interest rate, effective percentage													4.79%							4.79%	4.79%	4.79%	4.79%
Term Loan [Member]
Debt Instrument [Line Items]
Long-term debt outstanding													€ 11,250,000									$ 12,469,000
Long-term debt, percentage bearing fixed interest, percentage rate																	2.50%
Proceeds from long-term lines of credit | €									€ 15,000,000
Debt instrument, interest rate, effective percentage													1.93%							1.93%	1.93%	1.93%	1.93%
Debt Instrument, Periodic Payment | €					€ 1,250,000
Term Loan [Member] | Northcote Holdings Pty. Ltd [Member]
Debt Instrument [Line Items]
Face amount | AUD																									AUD 12,500,000
Term Loan [Member] | Brazilian CDI [Member]
Debt Instrument [Line Items]
Debt instrument, interest rate during period													20.13%	20.13%	20.13%
Term Loan May 2014 [Member] | Northcote Holdings Pty. Ltd [Member]
Debt Instrument [Line Items]
Face amount | AUD																											AUD 20,000,000
Debt instrument, periodic payment, principal								$ 625,000
Capital lease - real estate [Member]
Debt Instrument [Line Items]
Long-term debt outstanding																	$ 7,368,000					$ 6,585,000
Interest paid											$ 87,000	$ 100,000			$ 270,000	$ 308,000
Long-term debt, gross																	$ 7,524,000					$ 6,722,000
Proceeds from issuance of long-term debt																			$ 14,290,000
Debt instrument, interest rate during period										5.40%	5.40%	5.30%	5.40%	5.40%	5.40%	5.30%
Debt instrument, interest rate, effective percentage													5.00%				5.00%			5.00%	5.00%	5.00%	5.00%
Revolver Due 2013 [Member]
Debt Instrument [Line Items]
Long-term debt outstanding																						$ 0
Debt instrument, basis spread on variable rate					1.75%								1.75%	1.75%	1.75%
Proceeds from long-term lines of credit | €													€ 5,541,000					€ 5,000,000
Non U.S. term loans [Member]
Debt Instrument [Line Items]
Long-term debt outstanding																	$ 38,843,000					34,557,000
Interest paid											$ 276,000	$ 324,000			$ 832,000	$ 1,049,000
Line of credit facility, amount outstanding																						2,235,000	BRL 7,175
Long-term debt, gross																	39,142,000					34,723,000
Maintains maximum amount of line of credit																						3,738,000	BRL 12,800
Non U.S. lines of credit [Member]
Debt Instrument [Line Items]
Long-term debt outstanding																	8,931,000					6,073,000
Interest paid											367,000	195,000			723,000	445,000
Line of credit facility, amount outstanding																				CAD 3,068,000		2,359,000
Long-term debt, gross																	8,934,000					6,078,000
Proceeds from long-term lines of credit										CAD 11,932,000	9,175,000			CAD 15,000,000	11,534,000
Non U.S. lines of credit [Member] | Line of Credit One [Member] | Northcote Holdings Pty. Ltd [Member]
Debt Instrument [Line Items]
Line of credit facility, current borrowing capacity																						$ 5,000,000
Debt instrument, basis spread on variable rate						2.50%
Debt instrument, interest rate, effective percentage													4.49%							4.49%	4.49%	4.49%	4.49%
Non U.S. lines of credit [Member] | Line of Credit Two [Member] | Northcote Holdings Pty. Ltd [Member]
Debt Instrument [Line Items]
Line of credit facility, current borrowing capacity																					AUD 5,000,000	$ 3,709,000
Non U.S. lines of credit [Member] | LIBOR Rate [Member]
Debt Instrument [Line Items]
Line of credit facility, interest rate at period end													1.95%							1.95%	1.95%	1.95%	1.95%
Non U.S. lines of credit [Member] | Bankers Acceptance Rate [Member]
Debt Instrument [Line Items]
Line of credit facility, interest rate at period end													2.10%							2.10%	2.10%	2.10%	2.10%
Revolver due 2019 [Member]
Debt Instrument [Line Items]
Long-term debt outstanding																	32,951,000					$ (2,583,000)
Interest paid											$ 660,000	$ 761,000			$ 2,185,000	$ 1,758,000
Line of credit facility, current borrowing capacity																													$ 250,000,000
Long-term debt, gross																	$ 35,000,000					0
Fair Value, Inputs, Level 1 [Member] | Convertible Notes 2017 [Member]
Debt Instrument [Line Items]
Convertible debt, fair value disclosures																						121,438,000
Fair Value, Inputs, Level 1 [Member] | Senior notes due 2022 [Member]
Debt Instrument [Line Items]
Convertible debt, fair value disclosures																						$ 703,250,000