Borrowings - Convertible Debentures - Additional Information (Details) - Convergys - 5.75% Junior Subordinated Convertible Debentures due September 2029 - USD ($) $ in Thousands		12 Months Ended
Oct. 05, 2018	Nov. 30, 2019
Debt Instrument [Line Items]
Aggregate principal amount of debentures	$ 124,963
Debenture interest rate percentage	5.75%
Debt Instrument, Maturity date	2029-09
Principal amount of the convertible debentures settled		$ 69,982
Amount of convertible debentures settled		$ 148,047

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

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=114775744&loc=d3e28551-108399

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 55
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=114775985&loc=d3e28878-108400

Name:	us-gaap_DebtInstrumentFaceAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant