Reflects the estimated amount of loss from the specified contingency as of the balance sheet date.

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-Publisher FASB
-Name Accounting Standards Codification
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Name:	us-gaap_LossContingencyEstimateOfPossibleLoss
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Commitments and Contingencies - Legal Proceedings (Details) - CAD ($) $ in Millions	Nov. 30, 2015	Jun. 19, 2015	Sep. 13, 2013	Oct. 26, 2010
Time, Inc. \| TIR vs. Canadian Prime Minister of National Revenue \| Pending Litigation
Loss Contingencies [Line Items]
Estimate of possible loss	$ 91.0	$ 89.8	$ 26.9	$ 52.0