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

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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 net cash inflow or cash outflow 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 either short term or long term maturity that is collateralized (backed by pledge, mortgage or other lien in the entity's assets).

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Indebtedness divided by net capital.

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Carrying amount of collateralized debt obligations with maturities initially due after one year or beyond the operating cycle, if longer, excluding the current portion. Obligations include, but not limited to, mortgage loans, chattel loans, and other borrowings secured by assets.

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Business Acquisition, Cost of Acquired Entity, Fair Value of Debt Assumed

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Debt Instrument, Securitization Facility, Percentage of Receivables Used as Collateral

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Long-term Debt, Range of Daily Balance

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Securitization Facility

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Financing and Other Debt - Additional Information (Details) - USD ($)				1 Months Ended		3 Months Ended	9 Months Ended		12 Months Ended
	Jul. 01, 2016	Apr. 07, 2016	Apr. 28, 2015	Apr. 30, 2016	Jan. 31, 2016	Sep. 30, 2016	Sep. 30, 2016	Sep. 30, 2015	Dec. 31, 2015	Aug. 31, 2016	Jul. 31, 2016	Jun. 30, 2016
Debt Instrument [Line Items]
Current borrowing capacity	$ 2,125,000,000
Maximum borrowing capacity						$ 225,000,000	$ 225,000,000		$ 257,500,000
Lines of credit						1,702,265,000	1,702,265,000		664,918,000
Term for extended securitization agreement				1 year
Securitized debt						83,868,000	83,868,000		82,018,000
Ticking fees expensed							30,045,000	$ 0
Loss on debt extinguishment							2,018,000	0
Line of Credit
Debt Instrument [Line Items]
Lines of credit						0	0		0
Interest Rate Option Two \| Federal Fund Rate
Debt Instrument [Line Items]
Margin on variable rate, percent	0.50%
Interest Rate Option Two \| Eurocurrency Rate
Debt Instrument [Line Items]
Margin on variable rate, percent	1.00%
Letter of Credit \| Revolving Credit Facility
Debt Instrument [Line Items]
Current borrowing capacity	$ 250,000,000
Swingline Loan \| Revolving Credit Facility
Debt Instrument [Line Items]
Current borrowing capacity	20,000,000
2016 Credit Agreement
Debt Instrument [Line Items]
Maximum borrowing capacity	$ 375,000,000
Leverage ratio	4.00
Lines of credit	$ 1,875,000,000
Debt instrument, cash proceeds from assets sales required to be used towards debt repayment, percent	100.00%
Debt instrument. cash proceeds from other debts required to be used towards debt repayment, percent	100.00%
Proceeds from (Payments of) lines of credit							96,100,000	0
Debt issuance costs						46,882,000	46,882,000
2016 Credit Agreement \| Revolving Credit Facility
Debt Instrument [Line Items]
Current borrowing capacity	$ 470,000,000
Lines of credit						$ 86,424,000	$ 86,424,000
Proceeds from (Payments of) lines of credit	$ 220,000,000
2016 Credit Agreement \| Minimum
Debt Instrument [Line Items]
Commitment fee percentage	0.30%
2016 Credit Agreement \| Maximum
Debt Instrument [Line Items]
Commitment fee percentage	0.50%						0.50%
2016 Credit Agreement Tranche A
Debt Instrument [Line Items]
Debt instrument, quarterly payment, percent of original principal amount	1.25%
Interest coverage ratio (no less than)	3.25
Indebtedness to EBITDA Ratio (no more than)	5.40
2016 Credit Agreement Tranche A \| Credit Facility Term Loans
Debt Instrument [Line Items]
Current borrowing capacity	$ 455,000,000
2016 Credit Agreement Tranche A \| December 31, 2016
Debt Instrument [Line Items]
Indebtedness to EBITDA Ratio (no more than)	5.25
2016 Credit Agreement Tranche A \| December 31, 2017
Debt Instrument [Line Items]
Indebtedness to EBITDA Ratio (no more than)	5.00
2016 Credit Agreement Tranche A \| December 31, 2018
Debt Instrument [Line Items]
Indebtedness to EBITDA Ratio (no more than)	4.25
2016 Credit Agreement Tranche A \| December 31, 2019
Debt Instrument [Line Items]
Indebtedness to EBITDA Ratio (no more than)	4.00
2016 Credit Agreement Tranche A \| Interest Rate Option One \| Eurocurrency Rate
Debt Instrument [Line Items]
Debt instrument, interest rate, floor	0.00%
2016 Credit Agreement Tranche A \| Interest Rate Option One \| Eurocurrency Rate \| Minimum
Debt Instrument [Line Items]
Margin on variable rate, percent	1.75%
2016 Credit Agreement Tranche A \| Interest Rate Option One \| Eurocurrency Rate \| Maximum
Debt Instrument [Line Items]
Margin on variable rate, percent	3.25%						3.25%
2016 Credit Agreement Tranche A \| Interest Rate Option Two \| Eurocurrency Rate \| Minimum
Debt Instrument [Line Items]
Margin on variable rate, percent	0.75%
2016 Credit Agreement Tranche A \| Interest Rate Option Two \| Eurocurrency Rate \| Maximum
Debt Instrument [Line Items]
Margin on variable rate, percent	2.25%
2016 Credit Agreement Tranche B
Debt Instrument [Line Items]
Weighted average annual interest rate, percent						3.80%	3.80%
Debt instrument unamortized discount, percent	1.00%
Debt instrument, excess of cash required to be used for debt repayment	50.00%
Debt instrument, loan prepayment premium, percent	1.00%
Debt instrument, quarterly payment, percent of original principal amount	0.25%
2016 Credit Agreement Tranche B \| Credit Facility Term Loans
Debt Instrument [Line Items]
Current borrowing capacity	$ 1,200,000,000
Lines of credit						$ 1,615,841,000	$ 1,615,841,000
2016 Credit Agreement Tranche B \| Leverage Ratio One
Debt Instrument [Line Items]
Debt instrument, excess of cash required to be used for debt repayment	25.00%
2016 Credit Agreement Tranche B \| Leverage Ratio Two
Debt Instrument [Line Items]
Debt instrument, excess of cash required to be used for debt repayment	0.00%
2016 Credit Agreement Tranche B \| Interest Rate Option One \| Eurocurrency Rate
Debt Instrument [Line Items]
Debt instrument, interest rate, floor	0.75%
2016 Credit Agreement Tranche B \| Interest Rate Option One \| Eurocurrency Rate \| Minimum
Debt Instrument [Line Items]
Interest rate, stated percentage	3.25%
2016 Credit Agreement Tranche B \| Interest Rate Option One \| Eurocurrency Rate \| Maximum
Debt Instrument [Line Items]
Margin on variable rate, percent	3.50%						3.50%
2016 Credit Agreement Tranche B \| Interest Rate Option Two \| Eurocurrency Rate \| Minimum
Debt Instrument [Line Items]
Interest rate, stated percentage	2.25%
2016 Credit Agreement Tranche B \| Interest Rate Option Two \| Eurocurrency Rate \| Maximum
Debt Instrument [Line Items]
Margin on variable rate, percent	2.50%						2.50%
2014 Credit Agreement
Debt Instrument [Line Items]
Proceeds from (Payments of) lines of credit							$ (205,549,000)	$ (168,752,000)
Ticking fees expensed						5,056,000
Loss on debt extinguishment						$ 2,018,000
2014 Credit Agreement \| Revolving Credit Facility
Debt Instrument [Line Items]
Maximum borrowing capacity												$ 700,000,000
Lines of credit												282,639,000
2014 Credit Agreement \| Credit Facility Term Loans
Debt Instrument [Line Items]
Lines of credit									458,750,000			445,000,000
2014 Credit Agreement \| London Interbank Offered Rate (LIBOR) \| Revolving Credit Facility
Debt Instrument [Line Items]
Margin on variable rate, percent							2.00%
2014 Credit Agreement \| London Interbank Offered Rate (LIBOR) \| Credit Facility Term Loans
Debt Instrument [Line Items]
Margin on variable rate, percent							2.00%
2014 Credit Agreement \| Prime Rate \| Revolving Credit Facility
Debt Instrument [Line Items]
Margin on variable rate, percent							1.00%
2014 Credit Agreement \| Eurocurrency Rate \| Revolving Credit Facility
Debt Instrument [Line Items]
Margin on variable rate, percent							2.00%
Second Amendment to 2014 Agreement \| September 30, 2016
Debt Instrument [Line Items]
Leverage ratio						3.75	3.75
Loan Participations and Assignments
Debt Instrument [Line Items]
Maximum borrowing capacity										$ 50,000,000	$ 45,000,000	$ 10,000,000
Debt instrument, aggregate principal amount						$ 95,000,000	$ 95,000,000		$ 45,000,000
Loan Participations and Assignments \| Minimum
Debt Instrument [Line Items]
Range of daily balance						0	0
Loan Participations and Assignments \| Maximum
Debt Instrument [Line Items]
Range of daily balance						95,000,000	$ 95,000,000
Loan Participations and Assignments \| London Interbank Offered Rate (LIBOR)
Debt Instrument [Line Items]
Margin on variable rate, percent							2.25%
Securitization Facility
Debt Instrument [Line Items]
Term of securitization facility			1 year
Securitization facility, percentage of receivables used as collateral			85.00%
Interest rate during period, percent							2.70%		2.91%
Securitized debt						76,408,000	$ 76,408,000		$ 82,018,000
European Securitization Facility
Debt Instrument [Line Items]
Interest rate during period, percent							0.83%
Debt instrument, term		5 years
Securitized debt						$ 7,460,000	$ 7,460,000
Electronic Funds Source LLC
Debt Instrument [Line Items]
Lines of credit					$ 2,125,000,000
Commitment fee amount							(7,874,000)
Electronic Funds Source LLC \| Interest Expense
Debt Instrument [Line Items]
Commitment fee amount					$ 22,171,000		$ 30,045,000
Unik
Debt Instrument [Line Items]
Weighted average annual interest rate, percent						14.60%	14.60%		13.50%
Outstanding debt						$ 13,127,000	$ 13,127,000		$ 5,046,000