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.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 20
-Section 50
-Paragraph 4
-Subparagraph (b)(3)
-URI http://asc.fasb.org/extlink&oid=109500613&loc=SL6031897-161870

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(a)(16))
-URI http://asc.fasb.org/extlink&oid=119400593&loc=d3e572229-122910

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
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Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(22))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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

Commitments and Contingencies - Pledges and Guarantees (Details) € in Millions, $ in Millions	Dec. 31, 2019 EUR (€) guarantee	Dec. 31, 2019 USD ($) guarantee	Dec. 31, 2018 USD ($) guarantee
Euler Hermes S.A.
Loss Contingencies [Line Items]
Number of guarantees issued by counterparty \| guarantee	3	3	4
Guarantee obligation carrying amount		$ 9.2	$ 15.2
Deutsche Bank AG
Loss Contingencies [Line Items]
Number of guarantees issued by counterparty \| guarantee	1	1	1
Guarantee obligation carrying amount		$ 2.2	$ 2.9
Term Loan \| Term Loan - USD
Loss Contingencies [Line Items]
Long-term debt		$ 281.3
Term Loan \| Term Loan - EUR
Loss Contingencies [Line Items]
Long-term debt \| €	€ 361.8