Debt - Summary of Debt (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Dec. 31, 2013	Sep. 30, 2013	Dec. 31, 2013 HGI [Member] 7.875% Senior Secured Notes, due July 15, 2019 [Member]	Sep. 30, 2013 HGI [Member] 7.875% Senior Secured Notes, due July 15, 2019 [Member]	Dec. 31, 2013 Spectrum Brands [Member] 6.75% Senior Notes, due March 15, 2020 [Member]	Sep. 30, 2013 Spectrum Brands [Member] 6.75% Senior Notes, due March 15, 2020 [Member]	Dec. 31, 2013 Spectrum Brands [Member] Six Point Three Seven Five Senior Notes [Member]	Sep. 30, 2013 Spectrum Brands [Member] Six Point Three Seven Five Senior Notes [Member]	Dec. 31, 2013 Spectrum Brands [Member] 6.625% Notes [Member]	Sep. 30, 2013 Spectrum Brands [Member] 6.625% Notes [Member]	Dec. 31, 2013 Spectrum Brands [Member] ABL Facility, expiring May 24, 2017 [Member]	Sep. 30, 2013 Spectrum Brands [Member] ABL Facility, expiring May 24, 2017 [Member]	Dec. 31, 2013 Spectrum Brands [Member] Other notes and obligations [Member]	Sep. 30, 2013 Spectrum Brands [Member] Other notes and obligations [Member]	Dec. 31, 2013 Spectrum Brands [Member] Capitalized lease obligations [Member]	Sep. 30, 2013 Spectrum Brands [Member] Capitalized lease obligations [Member]	Dec. 31, 2013 Spectrum Brands [Member] Term Loan Due December 17, 2019 [Member]	Dec. 18, 2013 Spectrum Brands [Member] Term Loan Due December 17, 2019 [Member]	Sep. 30, 2013 Spectrum Brands [Member] Term Loan Due December 17, 2019 [Member]	Dec. 31, 2013 Spectrum Brands [Member] Term Loan Due September 4, 2019 [Member]	Sep. 30, 2013 Spectrum Brands [Member] Term Loan Due September 4, 2019 [Member]	Dec. 31, 2013 Spectrum Brands [Member] Term Loan Due September 4, 2017 [Member]	Dec. 18, 2013 Spectrum Brands [Member] Term Loan Due September 4, 2017 [Member]	Sep. 30, 2013 Spectrum Brands [Member] Term Loan Due September 4, 2017 [Member]	Dec. 31, 2013 FGL [Member] 6.375% Senior Notes, Due April 1, 2021 [Member]	Sep. 30, 2013 FGL [Member] 6.375% Senior Notes, Due April 1, 2021 [Member]	Dec. 31, 2013 EXCO/HGI JV [Member] EXO/HGI Partnership Credit Agreement, due February 14, 2018 [Member]	Sep. 30, 2013 EXCO/HGI JV [Member] EXO/HGI Partnership Credit Agreement, due February 14, 2018 [Member]	Dec. 31, 2013 Salus Capital Partners L L C [Member] Unaffiliated Long-Term Debt of Consolidated Variable-Interest-Entity [Member]	Sep. 30, 2013 Salus Capital Partners L L C [Member] Unaffiliated Long-Term Debt of Consolidated Variable-Interest-Entity [Member]	Dec. 31, 2013 Salus Capital Partners L L C [Member] Secured Borrowings Related to non-qualifying participating loan interests [Member]	Sep. 30, 2013 Salus Capital Partners L L C [Member] Secured Borrowings Related to non-qualifying participating loan interests [Member]	Dec. 31, 2013 EXCO/HGI Partnership Credit Agreement [Member] EXCO/HGI JV [Member] EXO/HGI Partnership Credit Agreement, due February 14, 2018 [Member]	Dec. 31, 2013 Canada, Dollars Spectrum Brands [Member] Term Loan Due December 17, 2019 [Member]	Sep. 30, 2013 Canada, Dollars Spectrum Brands [Member] Term Loan Due December 17, 2019 [Member]	Dec. 31, 2013 Euro Member Countries, Euro Spectrum Brands [Member] Euro Term Loan, Due September 4, 2019 [Member]	Dec. 18, 2013 Euro Member Countries, Euro Spectrum Brands [Member] Euro Term Loan, Due September 4, 2019 [Member]	Sep. 30, 2013 Euro Member Countries, Euro Spectrum Brands [Member] Euro Term Loan, Due September 4, 2019 [Member]
Debt Instrument [Line Items]
Document Period End Date	Dec. 31, 2013
Long-term Debt	$ 5,175.4	$ 4,909.7	$ 925.0	$ 925.0	$ 300.0	$ 300.0	$ 520.0	$ 520.0	$ 570.0	$ 570.0	$ 110.0	$ 0	$ 32.2	$ 28.5	$ 91.1	$ 67.4	$ 0	$ 513.3	$ 513.3	$ 850.0	$ 850.0	$ 515.0	$ 215.0	$ 300.0	$ 300.0	$ 300.0			$ 191.8	$ 182.9	$ 125.0	$ 0		$ 78.8	$ 81.4	$ 308.0	$ 225.0	$ 0
Original issuance (discounts) premiums on debt, net	(9.5)	(13.6)
Total Debt	5,165.9	4,896.1
Less current maturities	107.9	102.9
Non-current portion of debt	5,058.0	4,793.2
Long-term debt, interest rate			7.90%	0.00%	6.80%	6.80%	6.40%	6.40%	6.60%	6.60%	1.80%	5.70%	8.90%	8.50%	6.30%	6.20%	0.00%		4.60%	3.00%	3.00%	3.60%		3.60%	6.40%	0.00%	2.70%	0.00%	6.70%	6.57%	11.00%	0.00%		5.00%	5.10%	3.80%		0.00%
Line of Credit Facility, Amount Outstanding																												$ 271.2					$ 258.5