Leases (Tables)	9 Months Ended
	Sep. 30, 2021
Leases [Abstract]
Components Of Balance Sheet Information Related To Leases	‎September 30, ‎December 31, 2021 2020Assets Operating lease assets$ 127,077  $ 123,448  Liabilities Current operating leases 35,148  36,200 Noncurrent operating leases 104,198  99,210 Total operating lease liabilities$ 139,346  $ 135,410
Components Of Lease Expense	Three months ended September 30, 2021 2020Lease Expense (a) Operating lease expense$ 15,342  $ 15,277 Sublease income (45) (31)Net lease expense$ 15,297  $ 15,246  The components of lease expense for the first nine months is as follows (in thousands): Nine months ended September 30, 2021 2020Lease Expense (a) Operating lease expense$ 46,255  $ 45,007 Sublease income (135) (38)Net lease expense$ 46,120  $ 44,969  (a)Includes short-term leases and variable lease costs, which are immaterial. Included in both cost of services provided and goods sold and selling, general and administrative expenses.
Components Of Cash Flow Information Related To Leases	Nine months ended ‎September 30, 2021 2020Cash paid for amounts included in the measurement of lease liabilities Operating cash flows from leases$ 38,796  $ 37,393  Leased assets obtained in exchange for new operating lease liabilities$ 43,143  $ 44,366  Weighted Average Remaining Lease Term at September 30, 2021 Operating leases 4.8 years Weighted Average Discount Rate at September 30, 2021 Operating leases 2.47%
Summary Of Maturity Of Operating Lease Liabilities	Maturity of Operating Lease Liabilities (in thousands) 2021$ 11,2202022 38,8012023 31,2542024 24,4832025 18,336Thereafter 23,921Total lease payments$ 148,015Less: interest (8,669)Total liability recognized on the balance sheet$ 139,346