Amortized To Interest Expense Rate

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- Definition

Debt instrument final mandatory principal repayment.

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Debt instrument maturity month and year.

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- Definition

Debt instrument unamortized financing cost.

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- Definition

Debt Instrument Variable Libor Floor Rate

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- Definition

Decreased Percentage Of Initial Redemption Price Of Principal Notes

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- Definition

Issuance Of Letter Of Credit Under Credit Facility

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- Definition

Line of credit facility expiration period month and year.

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- Definition

Quarterly Principal Payments Percentage

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No definition available.

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- Definition

Unamortized Deferred Financing Costs

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No definition available.

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- Definition

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

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No definition available.

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- Definition

Description of minimum financial levels (for example, tangible net worth and working capital) and achievement of certain financial ratios (for example, working capital ratio and debt service coverage ratio), and adherence to certain clauses which generally require or restrict certain actions (for example, entering into a debt arrangement with equal or greater seniority, and selling or discontinuing a certain business segment or material subsidiary) to be in compliance with the covenant clauses of the debt agreement. May also include a discussion of the adverse consequences that would result if the entity violates or fails to satisfy the covenants.

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- Definition

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

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- Definition

Fair value portion of debt instrument payable, including, but not limited to, notes payable and loans payable.

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-Publisher FASB
-Name Accounting Standards Codification
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- Definition

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

+ References

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- Definition

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.

+ References

No definition available.

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- Definition

End date of debt instrument redemption period, in CCYY-MM-DD format.

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- Definition

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

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- Definition

Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.

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- Definition

The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.

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No definition available.

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- Definition

Date the credit facility terminates, in CCYY-MM-DD format.

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Description of the interest rate for the amounts borrowed under the credit facility, including the terms and the method for determining the interest rate (for example, fixed or variable, LIBOR plus a percentage, increasing rate, timing of interest rate resets, remarketing provisions).

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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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- Definition

The cash inflow associated with the amount received from the sale of a portion of the company's business, for example a segment, division, branch or other business, during the period.

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Debt - Additional Information (Detail) $ in Millions, $ in Millions			3 Months Ended			9 Months Ended		12 Months Ended
	Dec. 31, 2017 USD ($)	Dec. 31, 2016 USD ($)	Mar. 31, 2018 USD ($)	Sep. 30, 2017 USD ($)	Jun. 30, 2016 USD ($)	Sep. 30, 2018 USD ($)	Sep. 30, 2017 USD ($)	Dec. 31, 2017 USD ($)	Apr. 30, 2018 USD ($)	Dec. 31, 2017 CAD ($)	Dec. 31, 2016 CAD ($)	Nov. 14, 2014 USD ($)	Aug. 06, 2014 USD ($)	Oct. 01, 2013 USD ($)
Debt Instrument [Line Items]
Interest rate description	The Ceridian Term Debt bears an interest rate of LIBOR plus 3.5%, subject to a 1.0% LIBOR floor.
Loss on debt extinguishment						$ (25.7)
Capitalization of financing costs						3.6
Fair value of our indebtedness	$ 1,154.1	$ 1,166.9				$ 680.9		$ 1,154.1
Debt instrument, covenant description								The credit conditions allowing for transition to a stand-alone Ceridian credit facility were measured, in part, upon EBITDA, with certain adjustments as set forth in the credit documents ("Credit Facility EBITDA"). Ceridian was required to meet (i) a secured debt to Credit Facility EBITDA ratio less than or equal to 4.0 to 1.0 and (ii) a total leverage to Credit Facility EBITDA ratio less than or equal to 6.25 to 1.0.
Principal payments	0.25%							0.25%		0.25%
Proceeds from sale of UK Business							$ 0.9
Term debt, unamortized deferred financing cost	$ 5.4	7.3						$ 5.4
Senior note, amortised interest rate	4.80%
Discontinued Operations [Member]
Debt Instrument [Line Items]
Proceeds from sale of UK Business				$ 25.9	$ 10.0
Canada [Member]
Debt Instrument [Line Items]
Issuance of letters of credit										$ 7.0	$ 7.0
Letters of credit outstanding	$ 5.6	$ 5.2						$ 5.6		$ 7.0	$ 7.0
Term Debt [Member]
Debt Instrument [Line Items]
Debt instrument principal amount												$ 702.0
Term loan debt maturity period						2020-09		2020-09
Term debt final mandatory principal pre-payments			$ 0.3
Debt instrument interest rate stated percentage	5.10%	4.50%				5.50%		5.10%		5.10%	4.50%
Senior Notes [Member]
Debt Instrument [Line Items]
Debt instrument principal amount														$ 475.0
Loss on debt extinguishment						$ (18.6)
Debt instrument interest rate stated percentage	11.00%	11.00%				11.00%		11.00%		11.00%	11.00%
Senior note, amortised interest rate	11.45%
Decrease in redemption price of senior note								108.25%
Senior note redemption date								Mar. 15, 2019
Senior note, unamortized deferred financing cost	$ 6.2	$ 7.7
2018 Term Debt [Member]
Debt Instrument [Line Items]
Debt instrument principal amount									$ 680.0
Term loan debt maturity period						2025-04
Interest rate description						Interest rate is reduced to LIBOR plus 3.00%
Term Loan B1 [Member]
Debt Instrument [Line Items]
Debt instrument principal amount													$ 673.0
Term Loan B2 [Member]
Debt Instrument [Line Items]
Debt instrument principal amount													702.0
Previously Reported [Member]
Debt Instrument [Line Items]
Loss on debt extinguishment						$ (7.1)
Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Available capacity for letters of credit	$ 130.0	$ 130.0				$ 300.0		$ 130.0				$ 130.0	$ 130.0
Line of credit maturity period						2019-09		2019-09
Debt instrument, covenant description	The Ceridian Senior Secured Credit Facility documents contain a requirement that Ceridian maintain a ratio of adjusted first lien debt to Credit Facility EBITDA below specified levels on a quarterly basis; however, such requirement is applicable only if more than 35% of the Ceridian Revolving Credit Facility is drawn. As of December 31, 2017, no portion of the Ceridian Revolving Credit Facility was drawn.
2018 Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Available capacity for letters of credit									$ 300.0
Line of credit maturity period						Apr. 30, 2023
London Interbank Offered Rate (LIBOR) [Member]
Debt Instrument [Line Items]
Debt instrument, variable interest rate	3.50%
LIBOR, floor rate	1.00%