Debt - Summary of Debt (Detail) (USD $)	Mar. 31, 2013	Dec. 30, 2012	Sep. 30, 2012
Debt Instrument [Line Items]
Long-term Debt	$ 4,605,200,000		$ 2,165,000,000
Original issuance (discounts) premiums on debt, net	(8,500,000)		2,000,000
Total Debt	4,596,700,000		2,167,000,000
Less current maturities	29,500,000		16,400,000
Non-current portion of debt	4,567,200,000		2,150,600,000
HGI [Member] | 7.875% Senior Secured Notes, due July 15, 2019 [Member]
Debt Instrument [Line Items]
Long-term Debt	700,000,000.0
Long-term debt, interest rate	7.875%	7.875%
HGI [Member] | 10.625% Senior Secured Notes, due November 15, 2015 [Member]
Debt Instrument [Line Items]
Long-term Debt			500,000,000
Long-term debt, interest rate		10.625%	10.625%
Spectrum Brands [Member] | Term Loan, due December 17, 2019 [Member]
Debt Instrument [Line Items]
Long-term Debt	795,000,000
Long-term debt, interest rate	4.60%
Spectrum Brands [Member] | Previous Term Loan Facility [Member]
Debt Instrument [Line Items]
Long-term Debt		370,200,000	370,200,000
Long-term debt, interest rate			5.10%
Spectrum Brands [Member] | 9.5% Senior Secured Notes, due June 15, 2018 [Member]
Debt Instrument [Line Items]
Long-term Debt	950,000,000		950,000,000
Long-term debt, interest rate	9.50%		9.50%
Spectrum Brands [Member] | 6.75% Senior Notes, due March 15, 2020 [Member]
Debt Instrument [Line Items]
Long-term Debt	300,000,000		300,000,000
Long-term debt, interest rate	6.75%		6.75%
Spectrum Brands [Member] | 6.375% Senior Notes [Member]
Debt Instrument [Line Items]
Long-term Debt	520,000,000
Long-term debt, interest rate	6.375%
Spectrum Brands [Member] | 6.625% Notes [Member]
Debt Instrument [Line Items]
Long-term Debt	570,000,000
Long-term debt, interest rate	6.625%
Spectrum Brands [Member] | ABL Facility, expiring May 24, 2017 [Member]
Debt Instrument [Line Items]
Long-term Debt	76,500,000
Long-term debt, interest rate	2.80%		4.30%
Spectrum Brands [Member] | Other notes and obligations [Member]
Debt Instrument [Line Items]
Long-term Debt	21,900,000		18,100,000
Long-term debt, interest rate	10.60%		10.90%
Spectrum Brands [Member] | Capitalized lease obligations [Member]
Debt Instrument [Line Items]
Long-term Debt	29,700,000		26,700,000
Long-term debt, interest rate	6.30%		6.20%
FGL [Member] | 6.375% Senior Notes, Due April 1, 2021 [Member]
Debt Instrument [Line Items]
Long-term Debt	300,000,000
Long-term debt, interest rate	6.375%
EXCO/HGI Partnership [Member] | EXO/HGI Partnership Credit Agreement, due February 14, 2018 [Member]
Debt Instrument [Line Items]
Long-term Debt	278,600,000
Long-term debt, interest rate	2.70%
Salus Capital Partners L L C [Member] | 5.80% Unaffiliated Long-Term Debt of Consolidated Variable-Interest-Entity [Member]
Debt Instrument [Line Items]
Long-term Debt	$ 63,500,000
Long-term debt, interest rate	5.80%