Revenue from Contracts with Customers (Details 2) - USD ($) $ in Millions	9 Months Ended
Sep. 30, 2019	Sep. 30, 2018
Contract with Customer, Contract Liability [Roll Forward]
Beginning balance	$ 16.7	$ 13.5
Additions to sales incentive accrual	21.0	22.1
Contract payments	24.4	21.7
Foreign currency fluctuations	(0.1)	(0.3)
Ending balance	$ 13.2	$ 13.6

Amount of liability for consideration received or receivable from customer which is not included in transaction price, when consideration is expected to be refunded to customer.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 55
-Paragraph 27
-URI http://asc.fasb.org/extlink&oid=118944142&loc=SL49130611-203046-203046

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