Debt and Credit Lines - Schedule of Long-Term Debt (Details) - USD ($) $ in Millions	Nov. 30, 2018	Nov. 30, 2017
Debt Instrument [Line Items]
Capital lease obligations	$ 15.6	$ 16.2
Gross debt	329.7	361.8
Less: current portion	(4.2)	(4.2)
Unamortized original issue discount	2.1	2.8
Debt issuance costs	(4.7)	(5.0)
Total long-term debt, net of current portion	318.7	349.8
Term Loan B [Member]
Debt Instrument [Line Items]
$350 million Term Loan B, due 2023 (interest at 5.55% and 5.49% respectively)	302.1	345.6
Senior Secured Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Senior Secured Revolving Credit Facility, due 2021 (interest at 3.88% as of November 30, 2018)	$ 12.0	$ 0.0

Amount equal to the present value (the principal) at the beginning of the lease term of minimum lease payments during the lease term (excluding that portion of the payments representing executory costs such as insurance, maintenance, and taxes to be paid by the lessor, together with any profit thereon) net of payments or other amounts applied to the principal through the balance sheet date.

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Amount of short-term debt and current maturity of long-term debt and capital lease obligations due within one year or the normal operating cycle, if longer.

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Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

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The carrying value as of the balance sheet date of the noncurrent portion 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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