Amount of line note available to purchase common stock in open market.

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Debt Conversion, Converted Instrument, Cash Received

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Debt Instrument, Issuance Price, Percentage

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Debt Instrument, Number of Loans

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Debt Instrument, Number of Loans Refinanced with New Debt Instrument

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Lessee, Finance Lease, Number Of Options to Extend

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Line Of Credit Facility, Maximum Borrowing Capacity Increase

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Amount of long term capitalized fees and expenses.

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Maximum percentage of equity interest of subsidiaries borrowings guaranteed.

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Number of properties refinanced.

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Share based compensation arrangement by share based payment award shares purchased for award value.

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Underwriting fees and other expense capitalized.

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Fair value portion of borrowing which can be exchanged for a specified number of another security at the option of the issuer or the holder, for example, but not limited to, the entity's common stock.

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The value of the financial instrument(s) that the original debt is being converted into in a noncash (or part noncash) transaction. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period.

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The number of shares issued in exchange for the original debt being converted in a noncash (or part noncash) transaction. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or payments in the period.

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The amount of the original debt being converted in a noncash (or part noncash) transaction. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period.

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Percentage points added to the reference rate to compute the variable rate on the debt instrument.

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The reference rate for the variable rate of the debt instrument, such as LIBOR or the US Treasury rate and the maturity of the reference rate used, such as three months or six months LIBOR.

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No definition available.

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Face (par) amount of debt instrument at time of issuance.

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Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.

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Contractual interest rate for funds borrowed, under the debt agreement.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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No definition available.

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Amount of the required periodic payments applied to principal.

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Amount of payment greater than the preceding installment payments to be paid at final maturity date of debt.

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Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

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Weighted average purchase price of capital shares purchased through an employee stock ownership plan.

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Term of lessee's finance lease renewal, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

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Amount of current borrowing capacity under the credit facility considering any current restrictions on the amount that could be borrowed (for example, borrowings may be limited by the amount of current assets), but without considering any amounts currently outstanding under the facility.

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The effective interest rate at the end of the reporting period.

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The effective interest rate during the reporting period.

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Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

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Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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The interest rate applicable to the portion of the carrying amount of long-term borrowings outstanding as of the balance sheet date, including current maturities, which accrues interest at a set, unchanging rate.

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The carrying value as of the balance sheet date of the noncurrent portion of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

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The cash inflow during the period from additional borrowings in aggregate debt. Includes proceeds from short-term and long-term debt.

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The cash inflow from a contractual arrangement with the lender, including letter of credit, standby letter of credit and revolving credit arrangements, under which borrowings can be made up to a specific amount at any point in time with maturities due beyond one year or the operating cycle, if longer.

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Number of shares of capital stock issued (purchased by employees) in connection with an employee stock ownership plan.

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The gross value of stock issued during the period upon the conversion of convertible securities.

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LONG-TERM DEBT (Details) - Narrative $ / shares in Units, $ in Thousands						1 Months Ended				3 Months Ended		9 Months Ended	12 Months Ended
	Oct. 02, 2017 USD ($)	Jan. 17, 2017 USD ($) shares	Oct. 01, 2016 USD ($)	Jul. 14, 2016 USD ($)	Mar. 22, 2016 USD ($)	Jul. 31, 2018 GBP (£)	Aug. 31, 2016 USD ($)	Jul. 31, 2016 USD ($)	Nov. 30, 2012 CAD ($)	Jun. 30, 2018 AUD ($)	Jun. 30, 2017 USD ($) shares	Jun. 30, 2018 USD ($) option	Sep. 30, 2017 USD ($) $ / shares shares	Sep. 30, 2016 USD ($)	Jun. 30, 2018 USD ($)	Jun. 30, 2018 CAD ($)	Dec. 18, 2017 USD ($)	Sep. 30, 2017 AUD ($)	Sep. 30, 2017 USD ($)	Jun. 30, 2017 AUD ($)	Jul. 31, 2016 AUD ($) loan	May 18, 2016 USD ($)	Mar. 31, 2016 USD ($)	Sep. 30, 2015 USD ($)	Feb. 27, 2014 USD ($)	Feb. 14, 2014 USD ($)	Oct. 21, 2013 property	Dec. 21, 2009 USD ($)
Debt Instrument [Line Items]
Capitalized Fees & Expenses															$ 15,899,000				$ 12,066,000
Long-term debt															1,135,720,000				979,158,000
Face amount							$ 35,092,000																$ 8,000,000	$ 32,280,000
Underwriting fees and other expense capitalized														$ 10,313,000
Maximum percentage of equity interest of subsidiaries borrowings guaranteed												65.00%
Long-term line of credit															15,166,000
Number of properties refinanced \| property																											4
Amount of line note available to purchase common stock in open market							$ 10,908,000
Stock issued during period, shares, employee stock ownership plan (in shares) \| shares													621,875
Shares purchased for award value													$ 10,908,000
Weighted average purchase price of shares purchased \| $ / shares													$ 17.54
Basis spread on variable rate									1.30%			1.30%
Number of option to extend \| option												2
Lease renewal term												5 years
Convert. debt due 2017 [Member]
Debt Instrument [Line Items]
Debt instrument, interest rate, stated percentage																												4.00%
Face amount																												$ 100,000,000
Non U.S. lines of credit [Member]
Debt Instrument [Line Items]
Capitalized Fees & Expenses															19,000				31,000
Long-term debt															(19,000)				9,371,000
Proceeds from long-term lines of credit									$ 15,000			$ 11,282,000
Long-term line of credit															0
Remaining borrowing capacity															11,282,000	$ 15,000
Mortgages [Member]
Debt Instrument [Line Items]
Basis spread on variable rate										1.50%
Senior Notes [Member] \| Senior Notes 2022 [Member]
Debt Instrument [Line Items]
Proceeds from issuance of debt	$ 275,000,000
Long-term debt															1,000,000,000
Senior Notes [Member] \| Senior Notes due 2022, May 2016 Add-On Issuance [Member]
Debt Instrument [Line Items]
Debt issuance costs, net															3,016,000
Issuance price, percentage	101.00%																					98.76%
Face amount																						$ 125,000,000
Senior Notes 2022 [Member]
Debt Instrument [Line Items]
Capitalized Fees & Expenses																	$ 8,472,000
Senior Notes 2022 [Member]
Debt Instrument [Line Items]
Capitalized Fees & Expenses															13,932,000				9,220,000
Debt instrument, interest rate, stated percentage	5.25%																								5.25%
Long-term debt															$ 987,376,000				$ 714,603,000
Face amount																									$ 600,000,000
Debt conversion, original debt, amount				$ 125,000,000
Debt instrument, interest rate, effective percentage										5.25%					5.25%	5.25%		5.25%	5.25%
Revolver due 2019 [Member]
Debt Instrument [Line Items]
Line of credit facility, current borrowing capacity																										$ 250,000,000
Revolver Due 2020 [Member]
Debt Instrument [Line Items]
Line of credit facility, current borrowing capacity					$ 350,000,000
Convertible Notes 2017 [Member]
Debt Instrument [Line Items]
Debt conversion, converted instrument, amount		$ 173,855,000									$ 173,855,000
Debt conversion, converted instrument, cash received		125,000,000									$ 125,000,000
Issuance of treasury stock in settlement of convertible debt		$ 48,858,000
Debt conversion, converted instrument, shares issued \| shares		1,954,993									1,954,993
Debt instrument, interest rate, effective percentage		4.00%
Real estate mortgages [Member]
Debt Instrument [Line Items]
Capitalized Fees & Expenses															$ 0				$ 320,000
Long-term debt															0				23,322,000
Debt instrument, description of variable rate basis												The loans had an interest rate of LIBOR plus 1.50%
Basis spread on variable rate												2.25%
ESOP Loans [Member]
Debt Instrument [Line Items]
Capitalized Fees & Expenses															217,000				310,000
Long-term debt															35,046,000				42,365,000
Basis spread on variable rate												2.50%
Debt instrument, periodic payment, principal			$ 569,000
Capital lease - real estate [Member]
Debt Instrument [Line Items]
Capitalized Fees & Expenses															86,000				105,000
Long-term debt															$ 8,162,000				$ 5,207,000
Debt instrument, interest rate, effective percentage										5.00%					5.00%	5.00%		5.00%	5.00%
Medium-term Notes [Member] \| Term Loan Due 2019 [Member]
Debt Instrument [Line Items]
Periodic payment terms, balloon payment to be paid																					$ 37,125,000
Number of loans refinanced with new debt instrument \| loan																					2
Revolver Due 2013 [Member]
Debt Instrument [Line Items]
Basis spread on variable rate										1.75%		1.75%
Fair Value, Inputs, Level 1 [Member] \| Senior Notes 2022 [Member]
Debt Instrument [Line Items]
Convertible debt, fair value disclosures															$ 972,500,000
Libor Rate [Member]
Debt Instrument [Line Items]
Line of credit facility, interest rate during period					2.75%
Libor Rate [Member] \| Non U.S. lines of credit [Member]
Debt Instrument [Line Items]
Interest rate at period end										3.63%					3.63%	3.63%
Bankers Acceptance Rate [Member] \| Non U.S. lines of credit [Member]
Debt Instrument [Line Items]
Interest rate at period end										3.00%					3.00%	3.00%
Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Long-term line of credit															$ 0
Maximum borrowing capacity										$ 20,000,000					14,696,000
Revolving Credit Facility [Member] \| Revolving Facility, June 2017 [Member]
Debt Instrument [Line Items]
Maximum borrowing capacity										$ 20,000											$ 10,000,000
Revolver due 2019 [Member]
Debt Instrument [Line Items]
Long-term line of credit															69,912,000
Remaining borrowing capacity															$ 264,922,000
Revolver due 2019 [Member] \| Letter Of Credit Subfacility [Member]
Debt Instrument [Line Items]
Line of credit facility, current borrowing capacity					$ 50,000,000
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					1.75%
Secured Debt [Member] \| Invoice Discounting Arrangement [Member]
Debt Instrument [Line Items]
Interest rate at period end										2.50%					2.50%	2.50%
Term Loan [Member]
Debt Instrument [Line Items]
Debt instrument, interest rate, effective percentage										3.85%					3.85%	3.85%
London Interbank Offered Rate (LIBOR) [Member] \| ESOP Loan July 2014 [Member]
Debt Instrument [Line Items]
Basis spread on variable rate												2.50%
Sterling Base Rate [Member] \| Secured Debt [Member] \| Invoice Discounting Arrangement [Member]
Debt Instrument [Line Items]
Basis spread on variable rate												2.00%
Long-term Line of Credit, Noncurrent															$ 0
Northcote Holdings Pty. Ltd [Member] \| Non U.S. lines of credit [Member] \| Line of Credit One [Member]
Debt Instrument [Line Items]
Basis spread on variable rate								2.00%
Debt instrument, interest rate, effective percentage										3.93%					3.93%	3.93%
Northcote Holdings Pty. Ltd [Member] \| Term Loan May 2014 [Member]
Debt Instrument [Line Items]
Face amount																					10,000,000
Debt instrument, periodic payment, principal								$ 1,250,000
Maximum borrowing capacity																				$ 5,000,000
Maximum borrowing capacity increase																		$ 15,000,000
Northcote Holdings Pty. Ltd [Member] \| Term Loan December 2013 and May 2014 [Member]
Debt Instrument [Line Items]
Long-term line of credit										$ 42,125,000					$ 30,953,000
Basis spread on variable rate								2.00%
Debt instrument, interest rate, effective percentage										4.16%					4.16%	4.16%
Northcote Holdings Pty. Ltd [Member] \| Term Loan [Member]
Debt Instrument [Line Items]
Face amount																					$ 30,000,000
Number of loans \| loan																					2
Troy, Ohio [Member]
Debt Instrument [Line Items]
Percentage bearing fixed interest, percentage rate										5.00%					5.00%	5.00%
Ocala, Florida [Member]
Debt Instrument [Line Items]
Percentage bearing fixed interest, percentage rate										8.00%					8.00%	8.00%
Subsequent Event [Member] \| Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Basis spread on variable rate						1.50%
Interest rate at period end						2.00%
Subsequent Event [Member] \| Term Loan [Member]
Debt Instrument [Line Items]
Interest rate at period end						3.04%
Periodic payment terms, balloon payment to be paid \| £						£ 7,000,000
Subsequent Event [Member] \| London Interbank Offered Rate (LIBOR) [Member]
Debt Instrument [Line Items]
Basis spread on variable rate						1.80%
Subsequent Event [Member] \| London Interbank Offered Rate (LIBOR) [Member] \| Term Loan [Member]
Debt Instrument [Line Items]
Basis spread on variable rate						2.25%
Subsequent Event [Member] \| Ames UK [Member] \| Mortgages [Member]
Debt Instrument [Line Items]
Face amount \| £						£ 4,000,000
Interest rate at period end						2.59%
Debt instrument, periodic payment, principal \| £						£ 83,000
Periodic payment terms, balloon payment to be paid \| £						2,333,000
Subsequent Event [Member] \| Ames UK [Member] \| Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Face amount \| £						5,000,000
Subsequent Event [Member] \| Ames UK [Member] \| Term Loan [Member]
Debt Instrument [Line Items]
Face amount \| £						14,000,000
Debt instrument, periodic payment, principal \| £						£ 350,000