Annual and transition report of foreign private issuers pursuant to Section 13 or 15(d)

Intangibles (Other intangibles, narrative) (Details)

v3.19.3.a.u2
Intangibles (Other intangibles, narrative) (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Customer relationships      
Finite-Lived Intangible Assets [Line Items]      
Amortization of intangible assets $ 21.2 $ 21.2 $ 21.2