LONG-TERM DEBT AND FINANCING ARRANGEMENTS (Financing arrangements - Leterrs of credit & Surety bonds (Details) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Financing Arrangements
Amounts collateralized by restricted funds	$ 962	$ 1,384
Accounts receivable securitization program
Financing Arrangements
Outstanding letters of credit	18,000	20,100
Letter of Credit Agreements
Financing Arrangements
Outstanding letters of credit	19,600	22,100
Amounts collateralized by restricted funds	1,000	1,400
Surety bonds
Financing Arrangements
Outstanding surety bonds under uncollateralized bond programs	$ 56,500	$ 44,400

The carrying amounts of cash and cash equivalent items which are restricted as to withdrawal or usage. Restrictions may include legally restricted deposits held as compensating balances against short-term borrowing arrangements, contracts entered into with others, or entity statements of intention with regard to particular deposits; however, time deposits and short-term certificates of deposit are not generally included in legally restricted deposits. Excludes compensating balance arrangements that are not agreements which legally restrict the use of cash amounts shown on the balance sheet. For a classified balance sheet represents the current portion only (the noncurrent portion has a separate concept); there is a separate and distinct element for unclassified presentations.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.1)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Name:	us-gaap_RestrictedCashAndCashEquivalentsAtCarryingValue
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant