Goodwill And Other Intangible Assets	12 Months Ended
	Dec. 31, 2021
Goodwill And Other Intangible Assets [Abstract]
Goodwill And Other Intangible Assets	8. GOODWILL AND OTHER INTANGIBLE ASSETS Goodwill and other intangible assets increased due to the acquisitions of businesses in 2021 and 2020. See Note 17, “Acquisitions”, for further information. Goodwill The changes in the carrying amount of goodwill, included in other non-current assets in our consolidated balance sheets, for the years ended December 31 were as follows: 2021 2020Beginning balance$ 37.1 $ 30.1Goodwill acquired 20.0 7.0Ending balance$ 57.1 $ 37.1 As of December 31, 2021, we have completed our annual impairment test and concluded that there is no impairment of our goodwill. Other Intangible Assets Other intangible assets, included in other non-current assets in our consolidated balance sheets, consist of the following: As of December 31, 2021 Asset LifeWeighted Average Life Gross Carrying‎Amount Accumulated‎Amortization Net Carrying‎AmountCustomer relationships6 to 20 years13.4 years $ 57.4 $ (11.6) $ 45.8Trade name5 to 20 years18.9 years 23.2 (4.6) 18.6Non-compete agreements3 to 7 years5.5 years 0.9 (0.4) 0.5Other intangible assets10 years10 years 0.1 (0.1) —Total 14.9 years $ 81.6 $ (16.7) $ 64.9 As of December 31, 2020 Asset LifeWeighted Average Life Gross Carrying‎Amount Accumulated‎Amortization Net Carrying‎AmountCustomer relationships8 to 14 years11.8 years $ 30.5 $ (8.4) $ 22.1Trade name15 to 20 years19.4 years 18.2 (3.6) 14.6Non-compete agreements3 to 7 years5.6 years 0.7 (0.3) 0.4Other intangible assets10 years10 years 0.1 (0.1) —Total 14.5 years $ 49.5 $ (12.4) $ 37.1 We did not incur impairment losses related to our other intangible assets during the year ended December 31, 2021 and 2020. Amortization expense for other intangible assets was $4.3 million, $2.5 million, and $2.5 million for the years ended December 31, 2021, 2020, and 2019, respectively. Estimated future amortization expense related to our intangible assets for the years ending December 31 is as follows: 2022$ 6.1 2023 6.1 2024 6.0 2025 5.8 2026 4.5 After 2026 36.4 $ 64.9