Stock Compensation - Additional Information (Detail) (USD $) In Millions, except Share data in Thousands, unless otherwise specified	3 Months Ended
Dec. 30, 2012	Jan. 01, 2012
Stock Based Compensation [Line Items]
Unrecognized compensation cost expected to recognized, years	2 years 8 months 27 days
Total unrecognized compensation cost expected to recognized	$ 25.1
Weighted average remaining contractual term of outstanding stock option awards	9 years 5 months 16 days
Granted, Shares		704
Dividend equivalent vesting provision	0.7
Weighted average period of non-vested awards	1 year 10 months 2 days
Restricted stock units [Member]
Stock Based Compensation [Line Items]
Remaining shares are restricted stock grants		687
Granted, Grant Date Fair Value		18.9
Time-based and vest over period of restricted stock units		2 years
Time-based restricted stock units vesting over one year [Member]
Stock Based Compensation [Line Items]
Granted, Shares		17
HGI [Member]
Stock Based Compensation [Line Items]
Granted, options	1,498
HGI [Member] \| Stock option awards [Member]
Stock Based Compensation [Line Items]
Granted, options	1,498	75
Stock option awards grant date total fair value	5.3	0.1
HGI [Member] \| Restricted stock awards [Member]
Stock Based Compensation [Line Items]
Granted, options	3,227	68
Stock option awards grant date total fair value	27.5	0.3
HGI [Member] \| Restricted stock units [Member]
Stock Based Compensation [Line Items]
Granted, options		22
Stock option awards grant date total fair value		0.1
HGI [Member] \| Minimum [Member] \| Stock option awards [Member]
Stock Based Compensation [Line Items]
Vesting period	12 months
HGI [Member] \| Minimum [Member] \| Restricted stock awards [Member]
Stock Based Compensation [Line Items]
Vesting period	7 months
HGI [Member] \| Minimum [Member] \| Restricted stock units [Member]
Stock Based Compensation [Line Items]
Vesting period		7 months
HGI [Member] \| Maximum [Member] \| Stock option awards [Member]
Stock Based Compensation [Line Items]
Vesting period	36 months
HGI [Member] \| Maximum [Member] \| Restricted stock awards [Member]
Stock Based Compensation [Line Items]
Vesting period	36 months
HGI [Member] \| Maximum [Member] \| Restricted stock units [Member]
Stock Based Compensation [Line Items]
Vesting period		12 months
HGI [Member] \| HGI's executive bonus plan [Member] \| Minimum [Member]
Stock Based Compensation [Line Items]
Vesting period	12 months
HGI [Member] \| HGI's executive bonus plan [Member] \| Maximum [Member]
Stock Based Compensation [Line Items]
Vesting period	36 months
Spectrum Brands [Member]
Stock Based Compensation [Line Items]
Granted, Shares	574
Remaining shares are restricted stock grants	552
Granted, Grant Date Fair Value	$ 25.6
Time-based and vest over period of restricted stock units	1 year
Spectrum Brands [Member] \| Time-based restricted stock units vesting over one year [Member]
Stock Based Compensation [Line Items]
Granted, Shares	22
Spectrum Brands [Member] \| Performance based restricted stock units vesting over one year [Member]
Stock Based Compensation [Line Items]
Granted, Shares	90
Spectrum Brands [Member] \| Performance based restricted stock units vesting over two year [Member]
Stock Based Compensation [Line Items]
Granted, Shares	462
Spectrum Brands [Member] \| Minimum [Member]
Stock Based Compensation [Line Items]
Time-based and vest over period of restricted stock units	1 year
Spectrum Brands [Member] \| Maximum [Member]
Stock Based Compensation [Line Items]
Time-based and vest over period of restricted stock units	2 years

Share Based Compensation Arrangement by Share Based Payment Award Equity Instruments Options Fair Value at Grant Date.

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Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Weighted Average Remaining Contractual Term

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Weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Period which an employee's right to exercise an award is no longer contingent on satisfaction of either a service condition, market condition or a performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Weighted average remaining contractual term for equity-based awards excluding options, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Gross number of share options (or share units) granted during the period.

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Weighted average remaining contractual term for option awards outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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- Definition

Total number of shares issued during the period, including shares forfeited, as a result of Restricted Stock Awards.

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-Publisher FASB

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