Leases (Tables)	12 Months Ended
	Dec. 31, 2021
Leases [Abstract]
Components Of Balance Sheet Information Related To Leases	December 31, 2021 2020Assets Operating lease assets$ 125,048 $ 123,448 Liabilities Current operating leases 37,913 36,200Noncurrent operating leases 100,629 99,210Total operating lease liabilities$ 138,542 $ 135,410
Components Of Lease Expense	December 31, 2021 2020Lease Expense (a) Operating lease expense$ 61,474  $ 60,195 Sublease income (181) (83)Net lease expense$ 61,293  $ 60,112  (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	December 31, 2021 2020Cash paid for amounts included in the measurement of lease liabilities Operating cash flows from leases$ 50,990 $ 49,932 Leased assets obtained in exchange for new operating lease liabilities$ 52,878 $ 58,802 Weighted Average Remaining Lease Term Operating leases 4.61 years Weighted Average Discount Rate Operating leases 2.41%
Summary Of Maturity Of Operating Lease Liabilities	Maturity of Operating Lease Liabilities (in thousands) 2022$ 42,726 2023 33,700 2024 25,879 2025 18,596 2026 11,729 Thereafter 13,950 Total lease payments$ 146,580 Less: interest (8,014)Less: lease obligations signed but not yet commenced (24)Total liability recognized on the balance sheet$ 138,542