Quarterly report pursuant to Section 13 or 15(d)

Leases - Additional Information (Details)

v3.19.1
Leases - Additional Information (Details)
$ in Millions
3 Months Ended
Mar. 31, 2019
USD ($)
RealEstate
Location
Lessee Lease Description [Line Items]  
Number of real estate leases | RealEstate 32
Number of service center locations | Location 235
Lessee, operating lease, option to renew, earliest year 2020
Lessee, operating lease, option to renew, latest year 2033
Operating lease, liability, current $ 10.4
Operating Lease, Liability, Current, Statement of Financial Position [Extensible List] us-gaap:AccruedLiabilitiesCurrent
Operating lease, liability, noncurrent $ 58.6
Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible List] us-gaap:OtherLiabilitiesNoncurrent
Operating lease, right-of-use asset $ 67.8
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List] us-gaap:OtherAssetsNoncurrent
Operating lease, weighted average remaining lease term 9 years 6 months
Operating lease, weighted average discount rate, percent 4.20%
Operating lease, expense $ 3.6
Cash paid for amounts included in the measurement of operating leases $ 3.5
Minimum [Member]  
Lessee Lease Description [Line Items]  
Lessee, operating lease, renewal term 1 year
Maximum [Member]  
Lessee Lease Description [Line Items]  
Lessee, operating lease, renewal term 10 years