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FINANCING ARRANGEMENTS - Additional Information (Details)		3 Months Ended	12 Months Ended
	Aug. 23, 2013 USD ($)	Mar. 31, 2018 USD ($)	Dec. 31, 2017	Apr. 26, 2017 USD ($)
Debt Instrument [Line Items]
Long-term debt, fair value		$ 512,100,000
Receivables securitization facility | The Bank of Tokyo-Mitsubishi UFJ, Ltd., New York Branch and Wells Fargo Bank, National Association | Secured Debt
Debt Instrument [Line Items]
Line of credit facility, maximum borrowing capacity				$ 250,000,000
Unsecured Debt | Senior Unsecured Revolving Credit Facility 2019 Term Loan
Debt Instrument [Line Items]
Line of credit facility, maximum borrowing capacity		$ 900,000,000
Debt instrument, covenant, leverage ratio, maximum		3.00
Unsecured Debt | Senior Unsecured Revolving Credit Facility 2019 Term Loan | Federal Funds Rate
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate		0.50%
Unsecured Debt | Senior Unsecured Revolving Credit Facility 2019 Term Loan | London Interbank Offered Rate (LIBOR)
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate		1.13%
Senior Notes | Note Purchase Agreement
Debt Instrument [Line Items]
Debt instrument, covenant, leverage ratio, maximum	3.00
Debt instrument, face amount	$ 500,000,000
Debt instrument, covenant, interest expense ratio, maximum	2.00
Debt instrument, covenant, priority debt, percentage	15.00%
Debt instrument, redemption price, percentage	100.00%
Senior Notes | Series A Notes
Debt Instrument [Line Items]
Average interest rate as of		3.97%	3.97%
Senior Notes | Series B Notes
Debt Instrument [Line Items]
Average interest rate as of		4.26%	4.26%
Senior Notes | Series C Notes
Debt Instrument [Line Items]
Average interest rate as of		4.60%	4.60%

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Debt Instrument, Covenant, Interest Expense Ratio, Maximum

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Debt Instrument, Covenant, Leverage Ratio, Maximum

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Debt Instrument, Covenant, Priority Debt, Percentage

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

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

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 55
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=64930739&loc=d3e28878-108400

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The average effective interest rate during the reporting period.

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-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
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Percentage price of original principal amount of debt at which debt can be redeemed by the issuer.

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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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The fair value amount of long-term debt whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission.

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