CONSOLIDATED STATEMENTS OF EQUITY CONSOLIDATED STATEMENTS OF EQUITY (Parenthetical)	Nov. 27, 2013 Unit
6% Tangible Equity Units [Member]
Units issued	6,000,000

Represents the shares to be issued for our debt and equity instruments

No definition available.

Name:	for_DebtAndEquityInstrumentssharestobeIssued
Namespace Prefix:	for_
Data Type:	xbrli:decimalItemType
Balance Type:	na
Period Type:	duration