LONG-TERM DEBT (Details)				1 Months Ended				3 Months Ended			9 Months Ended			12 Months Ended
	Mar. 13, 2015 USD ($)	Feb. 27, 2014 USD ($)	Dec. 21, 2009 USD ($)	Jul. 31, 2014 USD ($)	May. 31, 2014 USD ($)	Dec. 31, 2013 USD ($) loan	Nov. 30, 2010 EUR (€)	Jun. 30, 2015 USD ($)	Jun. 30, 2015 CAD	Jun. 30, 2014 USD ($)	Jun. 30, 2015 USD ($) $ / shares shares	Jun. 30, 2014 USD ($)	Jun. 30, 2014 CAD	Sep. 30, 2014 USD ($)	Sep. 30, 2011 EUR (€)	Sep. 30, 2007 USD ($)	Jun. 30, 2015 AUD line_of_credit	Jun. 30, 2015 USD ($) line_of_credit $ / shares	Jun. 30, 2015 CAD line_of_credit	Jun. 30, 2014 AUD	Jun. 30, 2014 USD ($)	May. 31, 2014 AUD loan	Feb. 14, 2014 USD ($)	Oct. 21, 2013 USD ($) property
Debt Instrument [Line Items]
Face amount																					$ 21,098,000			$ 17,175,000
Payment of tender offer premium											$ 31,530,000
Interest paid								$ 10,541,000		$ 10,060,000	31,041,000	$ 32,395,000
Underwriting fees and other expense capitalized														$ 10,313,000
Loss from debt extinguishment, net								0		$ 0	0	(38,890,000)
Write off of deferred debt issuance cost											6,574,000
Prepaid interest on defeased note on extinguishment of debt											$ 786,000
Maximum percentage of equity interest of subsidiaries borrowings guaranteed											65.00%
Line of credit facility, amount outstanding																		$ 17,200,000
Number of properties refinanced | property																								2
Debt instrument, description of variable rate basis															The revolving credit facility accrues interest at EURIBOR plus 2.20% per annum (2.20% at June 30, 2015).
Debt instrument, basis spread on variable rate										1.30%	2.20%
Long-term debt, gross														822,571,000				859,522,000
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
Proceeds from issuance of long-term debt											$ 121,523,000	682,913,000
Capital lease maturity year																2022
Long-term debt, percentage bearing fixed interest, percentage rate																5.00%
Debt instrument, interest rate during period											6.00%
Northcote Holdings Pty. Ltd [Member]
Debt Instrument [Line Items]
Line of credit facility, amount outstanding																		$ 0
Debt instrument, number of loans																	2	2	2			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											69.3811
Debt conversion, converted instrument, amount														1,000
Debt instrument, convertible, conversion price (in Dollars per share) | $ / shares																		$ 14.41
Debt instrument, convertible, terms of conversion feature			1.00%
Debt Instrument, Convertible, Conversion Price Adjustment | $ / shares																		$ 0.04
Debt Instrument, Convertible, Conversion Ratio Adjustment																	0.25%	0.25%	0.25%
Debt instrument, convertible, if-converted value in excess of principal											$ 15,720,000
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, amount outstanding																		$ 65,000,000
Line of credit facility, remaining borrowing capacity																		$ 167,800,000
Revolver due 2019 [Member] | Letter Of Credit Subfacility [Member]
Debt Instrument [Line Items]
Line of credit facility, current borrowing capacity	$ 50,000																						$ 60,000,000
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%
Revolver Due 2020 [Member]
Debt Instrument [Line Items]
Line of credit facility, current borrowing capacity	$ 250,000
Convertible Notes 2017 [Member]
Debt Instrument [Line Items]
Debt instrument, interest rate, effective percentage																	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%
Interest paid								$ 7,875,000		$ 7,875,000	$ 23,625,000	$ 10,675,000
Long-term debt, gross														$ 600,000,000				$ 600,000,000
Debt instrument, interest rate during period								5.50%	5.50%		5.50%	5.50%	5.50%
Debt instrument, interest rate, effective percentage														5.25%			5.25%	5.25%	5.25%
Senior notes due 2018 [Member]
Debt Instrument [Line Items]
Debt instrument, interest rate, stated percentage																	7.125%	7.125%	7.125%
Interest paid											$ 0	$ 15,930,000
Loss from debt extinguishment, net								$ (38,890,000)
Debt instrument, interest rate during period												7.40%	7.40%
Senior Notes [Member]
Debt Instrument [Line Items]
Interest paid											16,716,000
Real estate mortgages [Member]
Debt Instrument [Line Items]
Interest paid								$ 117,000		$ 124,000	$ 357,000	$ 376,000
Debt instrument, description of variable rate basis											The loans bear interest at a rate of LIBOR plus 2.75%
Debt instrument, basis spread on variable rate											2.25%
Long-term debt, gross														$ 16,388,000				$ 15,744,000
Debt instrument, interest rate during period								3.80%	3.80%	3.80%	3.90%	4.00%	4.00%
ESOP Loans [Member]
Debt Instrument [Line Items]
Interest paid								$ 255,000		$ 192,000	$ 769,000	$ 524,000
Debt instrument, basis spread on variable rate											2.38%
Long-term debt, gross														38,946,000				37,295,000
Debt instrument, periodic payment, principal											$ 551,000
Debt instrument balloon payment											$ 30,137,000
Debt instrument, interest rate during period								2.90%	2.90%	2.90%	2.90%	3.20%	3.20%
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%
Term Loan December 2013 and May 2014 [Member] | Northcote Holdings Pty. Ltd [Member]
Debt Instrument [Line Items]
Line of credit facility, amount outstanding																		$ 24,783,000
Debt instrument, basis spread on variable rate										2.80%
Debt instrument, interest rate, effective percentage																	4.96%	4.96%	4.96%
Term Loan [Member]
Debt Instrument [Line Items]
Proceeds from long-term lines of credit | €							€ 20,000,000
Debt instrument, interest rate, effective percentage																	2.20%	2.20%	2.20%
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											19.64%
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]
Interest paid								$ 100,000		$ 112,000	$ 308,000	$ 345,000
Long-term debt, gross														$ 8,551,000				$ 7,785,000
Proceeds from issuance of long-term debt																$ 14,290,000
Debt instrument, interest rate during period								5.30%	5.30%	5.30%	5.30%	5.40%	5.40%
Debt instrument, interest rate, effective percentage														5.00%			5.00%	5.00%	5.00%
Revolver Due 2013 [Member]
Debt Instrument [Line Items]
Proceeds from long-term lines of credit | €															€ 10,000,000
Non U.S. term loans [Member]
Debt Instrument [Line Items]
Interest paid								$ 324,000		$ 273,000	$ 1,049,000	$ 426,000
Line of credit facility, amount outstanding																		$ 2,769,000
Long-term debt, gross														$ 28,470,000				24,879,000
Maintains maximum amount of line of credit																		4,125,000
Non U.S. lines of credit [Member]
Debt Instrument [Line Items]
Interest paid								195,000		307,000	445,000	724,000
Line of credit facility, amount outstanding																		4,347,000	CAD 5,355,000
Long-term debt, gross														3,306,000				7,116,000
Proceeds from long-term lines of credit								7,829,000	CAD 9,645,000				CAD 15,000,000
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																		$ 3,000,000
Debt instrument, basis spread on variable rate						2.25%
Debt instrument, interest rate, effective percentage																	4.41%	4.41%	4.41%
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	$ 5,000,000
Debt instrument, basis spread on variable rate					2.50%
Debt instrument, interest rate, effective percentage																	4.66%	4.66%	4.66%
Non U.S. lines of credit [Member] | LIBOR Rate [Member]
Debt Instrument [Line Items]
Line of credit facility, interest rate at period end																	1.58%	1.58%	1.58%
Non U.S. lines of credit [Member] | Bankers Acceptance Rate [Member]
Debt Instrument [Line Items]
Line of credit facility, interest rate at period end																	2.22%	2.22%	2.22%
Revolver due 2019 [Member]
Debt Instrument [Line Items]
Interest paid								$ 761,000		$ 309,000	$ 1,758,000	$ 782,000
Line of credit facility, current borrowing capacity																							$ 225,000,000
Long-term debt, gross														$ 25,000,000				$ 65,000,000
Senior notes due 2018 [Member] | Senior Notes [Member] | Senior Notes 2022 [Member]
Debt Instrument [Line Items]
Face amount		$ 550,000,000
Debt instrument, interest rate, stated percentage		7.125%
Payment of tender offer premium		$ 31,530,000
Fair Value, Inputs, Level 1 [Member] | Convertible Notes 2017 [Member]
Debt Instrument [Line Items]
Convertible debt, fair value disclosures																		122,250,000
Fair Value, Inputs, Level 1 [Member] | Senior notes due 2022 [Member]
Debt Instrument [Line Items]
Convertible debt, fair value disclosures																		$ 591,000,000