Proposed Acquisition of Ainsworth Lumber Co Ltd (Details) (CAD)	3 Months Ended
	Sep. 30, 2013
Business Acquisition, Equity Interests Issued or Issuable [Line Items]
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares	0.114
Business Acquisition, Equity Interest Issued or Issuable, Value Assigned	1.94
Aggregate Maximum [Member]
Business Acquisition, Equity Interests Issued or Issuable [Line Items]
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares	27.5
Business Acquisition, Equity Interest Issued or Issuable, Value Assigned	467.0