Quarterly report pursuant to Section 13 or 15(d)

Leases - Additional Information (Details)

v3.19.2
Leases - Additional Information (Details)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2019
USD ($)
RealEstate
Location
Jun. 30, 2019
USD ($)
RealEstate
Location
Lessee Lease Description [Line Items]    
Number of real estate leases | RealEstate 30 30
Number of service center locations | Location 233 233
Lessee, operating lease, option to renew, earliest year   2020
Lessee, operating lease, option to renew, latest year   2033
Operating lease, liability, current $ 10.5 $ 10.5
Operating Lease, Liability, Current, Statement of Financial Position [Extensible List] us-gaap:AccruedLiabilitiesCurrent us-gaap:AccruedLiabilitiesCurrent
Operating lease, liability, noncurrent $ 57.9 $ 57.9
Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible List] us-gaap:OtherLiabilitiesNoncurrent us-gaap:OtherLiabilitiesNoncurrent
Operating lease, right-of-use asset $ 67.3 $ 67.3
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List] us-gaap:OtherAssetsNoncurrent us-gaap:OtherAssetsNoncurrent
Operating lease, weighted average remaining lease term 9 years 4 months 24 days 9 years 4 months 24 days
Operating lease, weighted average discount rate, percent 4.20% 4.20%
Cash paid for amounts included in the measurement of operating leases $ 3.7 $ 7.2
Operating lease, expense $ 3.7 $ 7.3
Minimum [Member]    
Lessee Lease Description [Line Items]    
Lessee, operating lease, renewal term 1 year 1 year
Maximum [Member]    
Lessee Lease Description [Line Items]    
Lessee, operating lease, renewal term 10 years 10 years