Amount of amortization expense attributable to debt issuance costs.

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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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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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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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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, 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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NOTES PAYABLE AND COMMERCIAL BANK FINANCING NOTES PAYABLE AND COMMERCIAL BANK FINANCING - Bank Credit Agreement (Details) - USD ($)	9 Months Ended
	Sep. 30, 2016	Jul. 19, 2016	Dec. 31, 2015
Debt Instrument [Line Items]
Outstanding debt	$ 4,206,300,000
Bank Credit Agreement
Debt Instrument [Line Items]
Financing costs	2,300,000
Financing costs to be expensed	300,000
Bank Credit Agreement \| Revolving Credit Facility
Debt Instrument [Line Items]
Revolving commitments		$ 485,200,000.0
Financing costs		2,600,000
Outstanding balance	0		$ 0
Current borrowing capacity	$ 483,300,000
Bank Credit Agreement \| Term Loan \| Term Loan A Extended to July 2021
Debt Instrument [Line Items]
Outstanding debt		139,500,000
Bank Credit Agreement \| Term Loan \| Term Loan A Maturing April 2018
Debt Instrument [Line Items]
Outstanding debt		$ 153,500,000