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Subsequent Event	3 Months Ended
Subsequent Event	Feb. 28, 2019
Subsequent Events [Abstract]
Subsequent Event	Subsequent Event We have a minority interest in Grand Bahama Shipyard Ltd. (“Grand Bahama”), a ship repair and maintenance facility. On April 1, 2019, there was an incident at Grand Bahama which caused damage to one of the docks of the shipyard. An assessment of the extent of the damage and impact to operations is ongoing. We are evaluating the impact to our consolidated financial statements.