CONTINGENCIES (Details) - Great Lakes v. Essar Steel Minnesota LLC, et al. - Great Lakes - USD ($) $ in Millions		1 Months Ended
	Oct. 29, 2009	May 31, 2017	Apr. 30, 2017	Jul. 31, 2016	Sep. 30, 2015
Contingencies
Judgement awarded			$ 31.5
Amount released into bankruptcy estates				$ 1.2
Essar
Contingencies
Recovery sought	$ 33.0
Judgement awarded		$ 1.2			$ 32.9