LONG-TERM DEBT (Details) $ / shares in Units, BRL in Thousands				1 Months Ended					3 Months Ended			6 Months Ended				12 Months Ended
	Mar. 13, 2015 USD ($)	Feb. 27, 2014 USD ($)	Dec. 21, 2009 USD ($) trading_days	Sep. 30, 2015 EUR (€) installment	Dec. 31, 2014 USD ($) loan	Jul. 31, 2014 USD ($)	May. 31, 2014 USD ($)	Nov. 30, 2010 EUR (€)	Mar. 31, 2016 USD ($)	Mar. 31, 2016 CAD	Mar. 31, 2015 USD ($)	Mar. 31, 2016 EUR (€) shares	Mar. 31, 2016 USD ($) $ / shares shares	Mar. 31, 2016 CAD shares	Mar. 31, 2015 USD ($)	Sep. 30, 2015 USD ($)	Sep. 30, 2011 EUR (€)	Sep. 30, 2007 USD ($)	Mar. 31, 2016 AUD	Mar. 31, 2016 USD ($) $ / shares	Mar. 31, 2016 CAD	Mar. 31, 2016 BRL	Mar. 31, 2015 AUD	Mar. 31, 2015 USD ($)	May. 31, 2014 AUD loan	Feb. 14, 2014 USD ($)	Oct. 21, 2013 USD ($) property
Debt Instrument [Line Items]
Face amount																$ 32,280,000				$ 8,000,000				$ 21,098,000			$ 38,556,000
Payment of tender offer premium													$ 31,530,000
Interest paid									$ 10,678,000		$ 10,381,000		21,030,000		$ 20,501,000
Underwriting fees and other expense capitalized																10,313,000
Loss from debt extinguishment, net											$ 0				0
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%	65.00%	65.00%
Line of credit facility, amount outstanding																				15,922,000
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 March 31, 2016).
Debt instrument, basis spread on variable rate											1.30%	1.25%	1.25%	1.25%
Long-term debt, gross																861,199,000				957,192,000
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
Long-term Debt																843,569,000				941,780,000
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													$ 139,604,000		99,556,000
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																			AUD 4,000,000	$ 3,067,600
Debt instrument, number of loans | 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												70.1631	70.1631	70.1631
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
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																				$ 122,500,000
Line of credit facility, remaining borrowing capacity																				$ 211,578,000
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%
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 Trading Days | trading_days			20
Debt Instrument, Convertible, Threshold Consecutive Trading Days			30 days
Debt instrument, convertible, terms of conversion feature			130.00%
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%
Interest paid									$ 7,875,000		$ 7,875,000		$ 15,750,000		$ 15,750,000
Long-term debt, gross																600,000,000				$ 600,000,000
Long-term Debt																$ 591,736,000				$ 592,380,000
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 2018 [Member]
Debt Instrument [Line Items]
Debt instrument, interest rate, stated percentage												7.125%							7.125%	7.125%	7.125%	7.125%
Loss from debt extinguishment, net									$ (38,890,000)
Senior Notes [Member]
Debt Instrument [Line Items]
Interest paid													$ 16,716,000
Real estate mortgages [Member]
Debt Instrument [Line Items]
Interest paid									$ 154,000		$ 116,000		$ 305,000		$ 240,000
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				$ 39,204,000
Long-term Debt																31,810,000				38,556,000
Debt instrument, interest rate during period									2.20%	2.20%	3.80%	2.10%	2.10%	2.10%	3.80%
ESOP Loans [Member]
Debt Instrument [Line Items]
Interest paid									$ 275,000		$ 254,000		$ 531,000		$ 514,000
Debt instrument, basis spread on variable rate												2.38%	2.38%	2.38%
Long-term debt, gross																36,744,000				35,643,000
Long-term Debt																$ 36,520,000				35,454,000
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%	3.10%	3.10%	3.10%	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 30,555,000	$ 23,432,000
Debt instrument, basis spread on variable rate											2.80%
Debt instrument, interest rate, effective percentage												5.09%							5.09%	5.09%	5.09%	5.09%
Term Loan [Member]
Debt Instrument [Line Items]
Long-term Debt												€ 12,500,000								$ 14,000,000
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]
Interest paid									$ 90,000		$ 102,000		$ 183,000		$ 208,000
Long-term debt, gross																$ 7,524,000				$ 6,993,000
Long-term Debt																$ 7,368,000				$ 6,850,000
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]
Debt instrument, basis spread on variable rate				1.75%								1.75%	1.75%	1.75%
Long-term Debt																				$ 0
Proceeds from long-term lines of credit | €												€ 5,678,000					€ 5,000,000
Non U.S. term loans [Member]
Debt Instrument [Line Items]
Interest paid									$ 272,000		$ 337,000		$ 556,000		$ 725,000
Line of credit facility, amount outstanding																				1,942,000		BRL 6,911
Long-term debt, gross																$ 39,142,000				37,681,000
Long-term Debt																38,843,000				37,438,000
Maintains maximum amount of line of credit																				3,597,000		BRL 12,800
Non U.S. lines of credit [Member]
Debt Instrument [Line Items]
Interest paid									97,000		109,000		356,000		250,000
Line of credit facility, amount outstanding																				6,455,000	CAD 8,371,000
Long-term debt, gross																8,934,000				11,465,000
Long-term Debt																8,931,000				11,456,000
Proceeds from long-term lines of credit									5,111,500	CAD 6,629,000			11,567,000	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																				$ 5,000,000
Debt instrument, basis spread on variable rate					2.50%
Debt instrument, interest rate, effective percentage												4.79%							4.79%	4.79%	4.79%	4.79%
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	$ 3,835,000
Non U.S. lines of credit [Member] | LIBOR Rate [Member]
Debt Instrument [Line Items]
Line of credit facility, interest rate at period end												1.93%							1.93%	1.93%	1.93%	1.93%
Non U.S. lines of credit [Member] | Bankers Acceptance Rate [Member]
Debt Instrument [Line Items]
Line of credit facility, interest rate at period end												2.16%							2.16%	2.16%	2.16%	2.16%
Revolver due 2019 [Member]
Debt Instrument [Line Items]
Interest paid									$ 954,000		$ 659,000		$ 1,525,000		$ 997,000
Line of credit facility, current borrowing capacity																										$ 250,000,000
Long-term debt, gross																35,000,000				$ 122,500,000
Long-term Debt																$ 32,951,000				119,801,000
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																				115,375,000
Fair Value, Inputs, Level 1 [Member] | Senior notes due 2022 [Member]
Debt Instrument [Line Items]
Convertible debt, fair value disclosures																				$ 588,000,000