v3.19.3.a.u2

Goodwill - impairments (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2019	Dec. 31, 2018	Nov. 30, 2018
Goodwill, Impaired [Abstract]
Goodwill	$ 21.3	$ 21.3	$ 21.3
Amount of carrying value in excess of fair value		0.0	0.0
Curtis Palmer
Goodwill, Impaired [Abstract]
Goodwill	14.4	14.4	14.4
Fair value in excess of carrying value				$ 8.3
Fair value in excess of carrying value (as a percent)				9.00%
Impairment of goodwill	14.7
Morris And Nipigon
Goodwill, Impaired [Abstract]
Fair value in excess of carrying value	$ 111.7
Fair value in excess of carrying value (as a percent)	118.00%
Impairment of goodwill	$ 0.0
Morris
Goodwill, Impaired [Abstract]
Goodwill	3.3	3.3	3.3
Nipigon
Goodwill, Impaired [Abstract]
Goodwill	$ 3.6	$ 3.6	$ 3.6

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- Definition

Amount of carrying value of reporting unit in excess of fair value.

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Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
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Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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