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Other Noncurrent Assets - Narrative (Details) - USD ($)
3 Months Ended 9 Months Ended
Sep. 30, 2018
Jun. 30, 2018
Sep. 30, 2018
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]      
Impairment of intangible assets, discontinued brands and products   $ 4,300,000 $ 4,300,000
Impairment of intangible assets $ 0   $ 0