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Goodwill and Intangible Assets
9 Months Ended
Sep. 30, 2018
Goodwill and Intangible Assets Disclosure [Abstract]  
Goodwill and Intangible Assets
Goodwill and Intangible Assets

The Company performed its annual impairment assessment of goodwill and indefinite-lived intangible assets in the third quarters of 2018 and 2017. The assessments resulted in no impairment charges in either 2018 or 2017.