Timber Notes Non Recourse Debt - Additional Information (Detail) (USD $)	1 Months Ended		3 Months Ended			9 Months Ended			3 Months Ended					3 Months Ended
	Oct. 31, 2004	Dec. 31, 2004	Mar. 30, 2013 Installment Notes	Oct. 31, 2004 Installment Notes Tranch One Y	Oct. 31, 2004 Installment Notes Tranch Two Y	Sep. 29, 2012 Installment Notes Lehman Brothers Holdings Inc	Sep. 15, 2008 Installment Notes Lehman Brothers Holdings Inc	Oct. 31, 2004 Installment Notes Lehman Brothers Holdings Inc	Mar. 30, 2013 Installment Notes Wells Fargo And Company	Oct. 31, 2004 Installment Notes Wells Fargo And Company	Dec. 31, 2004 Securitization Notes Tranch One Y	Dec. 31, 2004 Securitization Notes Tranch Two Y	Dec. 31, 2004 Securitization Notes Lehman Brothers Holdings Inc	Mar. 30, 2013 Securitization Notes Wells Fargo And Company	Dec. 31, 2004 Securitization Notes Wells Fargo And Company	Mar. 30, 2013 Timberland Assets
Timber Notes/Non-Recourse Debt Receivable And Payable [Line Items]
Cash received from sale of timberland assets	$ 15,000,000
Timber notes receivable	1,635,000,000			817,500,000	817,500,000			817,500,000	817,500,000	817,500,000
Installment notes, cash transfered	1,635,000,000
Timber notes receivable - terms (in years)				15	15
Timber note receivables - interest rates				5.11%	4.98%
Timber securitization notes		1,470,000,000									735,000,000	735,000,000	735,000,000		735,000,000
Cash received from the securitization of timber notes		1,470,000,000
Timber securitization notes - terms (in years)											15	15
Timber securitization notes - interest rates											5.54%	5.42%
Timber notes receivable defaulted as result of Lehman bankruptcy							817,500,000
Timber notes receivable - maturity year			2020						2020
Timberlands asset sale deferred tax liability									260,000,000							529,000,000
Timberland asset sale deferred tax liability recognized						$ 269,000,000
Timber securitization notes - maturity year														2019