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Consolidating Financial Information - Schedule of Income Statement Information (Detail) (USD $) In Millions, unless otherwise specified | 3 Months Ended | 6 Months Ended
--- | --- | ---
Mar. 31, 2013 | Apr. 01, 2012 | Mar. 31, 2013 | Apr. 01, 2012
Revenues: |  |  |  |  |  |  |
Net consumer product sales | $ 987.8 |  | $ 746.3 |  | $ 1,858.0 | $ 1,595.1 |
Oil and natural gas | 16.7 |  |  |  | 16.7 |  |
Insurance premiums | 14.1 |  | 13.3 |  | 27.9 | 30.1 |
Net investment income | 172.0 |  | 173.0 |  | 350.1 | 359.8 |
Net investment gains | 206.7 |  | 163.6 |  | 353.2 | 267.5 |
Insurance and investment product fees and other | 14.6 |  | 9.5 |  | 28.3 | 19.2 |
Total revenues | 1,411.9 |  | 1,105.7 |  | 2,634.2 | 2,271.7 |
Operating costs and expenses: |  |  |  |  |  |  |
Consumer products cost of goods sold | 664.9 |  | 486.3 |  | 1,247.0 | 1,051.0 |
Oil and natural gas direct operating costs | 8.8 |  |  |  | 8.8 |  |
Benefits and other changes in policy reserves | 240.9 |  | 241.8 |  | 324.5 | 418.7 |
Selling, acquisition, operating and general expenses | 314.3 |  | 222.9 |  | 568.9 | 478.8 |
Amortization of intangibles | 49.0 |  | 58.8 |  | 135.6 | 115.5 |
Total operating costs and expenses | 1,277.9 |  | 1,009.8 |  | 2,284.8 | 2,064.0 |
Operating income | 134.0 |  | 95.9 |  | 349.4 | 207.7 |
Interest expense | (75.7) |  | (84.1) |  | (218.8) | (140.0) |
(Loss) gain from the change in the fair value of the equity conversion feature of preferred stock | (39.6) |  | (26.4) |  | 29.3 | 1.5 |
Gain on contingent purchase price reduction |  |  | 41.0 |  |  | 41.0 |
Other expense, net | (3.2) |  | (9.7) |  | (11.9) | (8.5) |
Income from continuing operations before income taxes | 15.5 |  | 16.7 |  | 148.0 | 101.7 |
Income tax expense | 66.0 |  | 16.9 |  | 130.4 | 56.4 |
Net (loss) income | (50.5) |  | (0.2) |  | 17.6 | 45.3 |
Less: Net loss attributable to noncontrolling interest | (17.2) |  | (12.2) |  | (23.2) | (6.2) |
Net (loss) income attributable to controlling interest | (33.3) |  | 12.0 |  | 40.8 | 51.5 |
Less: Preferred stock dividends and accretion | 12.2 |  | 15.9 |  | 24.3 | 31.6 |
Net (loss) income attributable to common and participating preferred stockholders | (45.5) |  | (3.9) |  | 16.5 | 19.9 |
Consumer Products [Member] |  |  |  |  |  |  |
Revenues: |  |  |  |  |  |  |
Net consumer product sales |  |  |  |  | 1,858.0 | 1,595.1 |
Oil and natural gas |  |  |  |  |  |  |
Insurance premiums |  |  |  |  |  |  |
Net investment income |  |  |  |  |  |  |
Net investment gains |  |  |  |  |  |  |
Insurance and investment product fees and other |  |  |  |  |  |  |
Total revenues | 987.8 |  | 746.3 |  | 1,858.0 | 1,595.1 |
Operating costs and expenses: |  |  |  |  |  |  |
Consumer products cost of goods sold |  |  |  |  | 1,247.0 | 1,051.0 |
Oil and natural gas direct operating costs |  |  |  |  |  |  |
Benefits and other changes in policy reserves |  |  |  |  |  |  |
Selling, acquisition, operating and general expenses |  |  |  |  | 453.4 | 374.8 |
Amortization of intangibles |  |  |  |  | 37.2 | 30.4 |
Total operating costs and expenses |  |  |  |  | 1,737.6 | 1,456.2 |
Operating income | 52.3 |  | 55.2 |  | 120.4 | 138.9 |
Equity in net income (losses) of subsidiaries |  |  |  |  |  |  |
Interest expense |  |  |  |  | (130.2) |  |
Affiliated interest income |  |  |  |  |  | (110.4) |
(Loss) gain from the change in the fair value of the equity conversion feature of preferred stock |  |  |  |  |  |  |
Gain on contingent purchase price reduction |  |  |  |  |  |  |
Other expense, net |  |  |  |  | (5.3) |  |
Income from continuing operations before income taxes |  |  |  |  | (15.1) | 28.5 |
Income tax expense |  |  |  |  | 39.8 | 44.1 |
Net (loss) income |  |  |  |  | (54.9) | (15.6) |
Less: Net loss attributable to noncontrolling interest |  |  |  |  | (23.5) | (6.2) |
Net (loss) income attributable to controlling interest |  |  |  |  | (31.4) | (9.4) |
Less: Preferred stock dividends and accretion |  |  |  |  |  |  |
Net (loss) income attributable to common and participating preferred stockholders |  |  |  |  | (31.4) | (9.4) |
Insurance [Member] |  |  |  |  |  |  |
Revenues: |  |  |  |  |  |  |
Net consumer product sales |  |  |  |  |  |  |
Oil and natural gas |  |  |  |  |  |  |
Insurance premiums |  |  |  |  | 27.9 | 30.1 |
Net investment income |  |  |  |  | 336.9 | 359.5 |
Net investment gains |  |  |  |  | 353.2 | 267.5 |
Insurance and investment product fees and other |  |  |  |  | 28.3 | 19.2 |
Total revenues | 402.7 |  | 359.1 |  | 746.3 | 676.3 |
Operating costs and expenses: |  |  |  |  |  |  |
Consumer products cost of goods sold |  |  |  |  |  |  |
Oil and natural gas direct operating costs |  |  |  |  |  |  |
Benefits and other changes in policy reserves |  |  |  |  | 324.5 | 418.7 |
Selling, acquisition, operating and general expenses |  |  |  |  | 50.4 | 81.5 |
Amortization of intangibles |  |  |  |  | 98.4 | 85.1 |
Total operating costs and expenses |  |  |  |  | 473.3 | 585.3 |
Operating income | 109.4 |  | 55.8 |  | 273.0 | 91.0 |
Equity in net income (losses) of subsidiaries |  |  |  |  |  |  |
Interest expense |  |  |  |  |  |  |
Affiliated interest income |  |  |  |  | 1.1 | (1.3) |
(Loss) gain from the change in the fair value of the equity conversion feature of preferred stock |  |  |  |  |  |  |
Gain on contingent purchase price reduction |  |  |  |  |  | 41.0 |
Other expense, net |  |  |  |  | 0.3 |  |
Income from continuing operations before income taxes |  |  |  |  | 274.4 | 130.7 |
Income tax expense |  |  |  |  | 90.6 | 12.3 |
Net (loss) income |  |  |  |  | 183.8 | 118.4 |
Less: Net loss attributable to noncontrolling interest |  |  |  |  |  |  |
Net (loss) income attributable to controlling interest |  |  |  |  | 183.8 | 118.4 |
Less: Preferred stock dividends and accretion |  |  |  |  |  |  |
Net (loss) income attributable to common and participating preferred stockholders |  |  |  |  | 183.8 | 118.4 |
Energy Segment [Member] |  |  |  |  |  |  |
Revenues: |  |  |  |  |  |  |
Net consumer product sales |  |  |  |  |  |  |
Oil and natural gas |  |  |  |  | 16.7 |  |
Insurance premiums |  |  |  |  |  |  |
Net investment income |  |  |  |  |  |  |
Net investment gains |  |  |  |  |  |  |
Insurance and investment product fees and other |  |  |  |  |  |  |
Total revenues | 16.7 |  |  |  | 16.7 |  |
Operating costs and expenses: |  |  |  |  |  |  |
Consumer products cost of goods sold |  |  |  |  |  |  |
Oil and natural gas direct operating costs |  |  |  |  | 8.8 |  |
Benefits and other changes in policy reserves |  |  |  |  |  |  |
Selling, acquisition, operating and general expenses |  |  |  |  | 7.4 |  |
Amortization of intangibles |  |  |  |  |  |  |
Total operating costs and expenses |  |  |  |  | 16.2 |  |
Operating income | 0.5 |  |  |  | 0.5 |  |
Equity in net income (losses) of subsidiaries |  |  |  |  |  |  |
Interest expense |  |  |  |  | (0.9) |  |
Affiliated interest income |  |  |  |  | (1.1) |  |
(Loss) gain from the change in the fair value of the equity conversion feature of preferred stock |  |  |  |  |  |  |
Gain on contingent purchase price reduction |  |  |  |  |  |  |
Other expense, net |  |  |  |  | (8.9) |  |
Income from continuing operations before income taxes |  |  |  |  | (10.4) |  |
Income tax expense |  |  |  |  |  |  |
Net (loss) income |  |  |  |  | (10.4) |  |
Less: Net loss attributable to noncontrolling interest |  |  |  |  |  |  |
Net (loss) income attributable to controlling interest |  |  |  |  | (10.4) |  |
Less: Preferred stock dividends and accretion |  |  |  |  |  |  |
Net (loss) income attributable to common and participating preferred stockholders |  |  |  |  | (10.4) |  |
Other Financial Services [Member] |  |  |  |  |  |  |
Revenues: |  |  |  |  |  |  |
Net consumer product sales |  |  |  |  |  |  |
Oil and natural gas |  |  |  |  |  |  |
Insurance premiums |  |  |  |  |  |  |
Net investment income |  |  |  |  | 18.4 | 0.4 |
Net investment gains |  |  |  |  |  |  |
Insurance and investment product fees and other |  |  |  |  | 0.9 |  |
Total revenues | 8.7 |  | 0.4 |  | 19.3 | 0.4 |
Operating costs and expenses: |  |  |  |  |  |  |
Consumer products cost of goods sold |  |  |  |  |  |  |
Oil and natural gas direct operating costs |  |  |  |  |  |  |
Benefits and other changes in policy reserves |  |  |  |  |  |  |
Selling, acquisition, operating and general expenses |  |  |  |  | 6.8 | 1.4 |
Amortization of intangibles |  |  |  |  |  |  |
Total operating costs and expenses |  |  |  |  | 6.8 | 1.4 |
Operating income | 5.2 |  | (0.8) |  | 12.5 | (1.0) |
Equity in net income (losses) of subsidiaries |  |  |  |  |  | (0.1) |
Interest expense |  |  |  |  |  |  |
Affiliated interest income |  |  |  |  | (5.5) |  |
(Loss) gain from the change in the fair value of the equity conversion feature of preferred stock |  |  |  |  |  |  |
Gain on contingent purchase price reduction |  |  |  |  |  |  |
Other expense, net |  |  |  |  | (0.1) |  |
Income from continuing operations before income taxes |  |  |  |  | 6.9 | (1.1) |
Income tax expense |  |  |  |  |  |  |
Net (loss) income |  |  |  |  | 6.9 | (1.1) |
Less: Net loss attributable to noncontrolling interest |  |  |  |  | 0.3 |  |
Net (loss) income attributable to controlling interest |  |  |  |  | 6.6 | (1.1) |
Less: Preferred stock dividends and accretion |  |  |  |  |  |  |
Net (loss) income attributable to common and participating preferred stockholders |  |  |  |  | 6.6 | (1.1) |
Corporate and Other [Member] |  |  |  |  |  |  |
Revenues: |  |  |  |  |  |  |
Net consumer product sales |  |  |  |  |  |  |
Oil and natural gas |  |  |  |  |  |  |
Insurance premiums |  |  |  |  |  |  |
Net investment income |  |  |  |  |  |  |
Net investment gains |  |  |  |  |  |  |
Insurance and investment product fees and other |  |  |  |  |  |  |
Total revenues |  |  |  |  |  |  |
Operating costs and expenses: |  |  |  |  |  |  |
Consumer products cost of goods sold |  |  |  |  |  |  |
Oil and natural gas direct operating costs |  |  |  |  |  |  |
Benefits and other changes in policy reserves |  |  |  |  |  |  |
Selling, acquisition, operating and general expenses |  |  |  |  | 50.9 | 21.1 |
Amortization of intangibles |  |  |  |  |  |  |
Total operating costs and expenses |  |  |  |  | 50.9 | 21.1 |
Operating income | (29.5) | [1] | (14.2) | [1] | (50.9) | (21.1) | [1]
Equity in net income (losses) of subsidiaries |  |  |  |  | 148.0 |  |
Interest expense |  |  |  |  | (87.7) | 108.0 |
Affiliated interest income |  |  |  |  |  | (28.3) |
(Loss) gain from the change in the fair value of the equity conversion feature of preferred stock |  |  |  |  | 29.3 | 1.5 |
Gain on contingent purchase price reduction |  |  |  |  |  |  |
Other expense, net |  |  |  |  | 2.1 | (8.5) |
Income from continuing operations before income taxes |  |  |  |  | 40.8 | 51.6 |
Income tax expense |  |  |  |  |  |  |
Net (loss) income |  |  |  |  | 40.8 | 51.6 |
Less: Net loss attributable to noncontrolling interest |  |  |  |  |  |  |
Net (loss) income attributable to controlling interest |  |  |  |  | 40.8 | 51.6 |
Less: Preferred stock dividends and accretion |  |  |  |  | 24.3 | 31.6 |
Net (loss) income attributable to common and participating preferred stockholders |  |  |  |  | 16.5 | 20.0 |
Intersegment elimination [Member] |  |  |  |  |  |  |
Revenues: |  |  |  |  |  |  |
Net consumer product sales |  |  |  |  |  |  |
Oil and natural gas |  |  |  |  |  |  |
Insurance premiums |  |  |  |  |  |  |
Net investment income |  |  |  |  | (5.2) | (0.1) |
Net investment gains |  |  |  |  |  |  |
Insurance and investment product fees and other |  |  |  |  | (0.9) |  |
Total revenues | (4.0) |  | (0.1) |  | (6.1) | (0.1) |
Operating costs and expenses: |  |  |  |  |  |  |
Consumer products cost of goods sold |  |  |  |  |  |  |
Oil and natural gas direct operating costs |  |  |  |  |  |  |
Benefits and other changes in policy reserves |  |  |  |  |  |  |
Selling, acquisition, operating and general expenses |  |  |  |  |  |  |
Amortization of intangibles |  |  |  |  |  |  |
Total operating costs and expenses |  |  |  |  |  |  |
Operating income | (3.9) |  | (0.1) |  | (6.1) | (0.1) |
Equity in net income (losses) of subsidiaries |  |  |  |  | (148.0) | 0.1 |
Interest expense |  |  |  |  |  | (108.0) |
Affiliated interest income |  |  |  |  | 5.5 |  |
(Loss) gain from the change in the fair value of the equity conversion feature of preferred stock |  |  |  |  |  |  |
Gain on contingent purchase price reduction |  |  |  |  |  |  |
Other expense, net |  |  |  |  |  |  |
Income from continuing operations before income taxes |  |  |  |  | (148.6) | (108.0) |
Income tax expense |  |  |  |  |  |  |
Net (loss) income |  |  |  |  | (148.6) | (108.0) |
Less: Net loss attributable to noncontrolling interest |  |  |  |  |  |  |
Net (loss) income attributable to controlling interest |  |  |  |  | (148.6) | (108.0) |
Less: Preferred stock dividends and accretion |  |  |  |  |  |  |
Net (loss) income attributable to common and participating preferred stockholders |  |  |  |  | (148.6) | (108.0) |
Consolidated Entities [Member] |  |  |  |  |  |  |
Revenues: |  |  |  |  |  |  |
Net consumer product sales |  |  |  |  | 1,858.0 | 1,595.1 |
Oil and natural gas |  |  |  |  | 16.7 |  |
Insurance premiums |  |  |  |  | 27.9 | 30.1 |
Net investment income |  |  |  |  | 350.1 | 359.8 |
Net investment gains |  |  |  |  | 353.2 | 267.5 |
Insurance and investment product fees and other |  |  |  |  | 28.3 | 19.2 |
Total revenues |  |  |  |  | 2,634.2 | 2,271.7 |
Operating costs and expenses: |  |  |  |  |  |  |
Consumer products cost of goods sold |  |  |  |  | 1,247.0 | 1,051.0 |
Oil and natural gas direct operating costs |  |  |  |  | 8.8 |  |
Benefits and other changes in policy reserves |  |  |  |  | 324.5 | 418.7 |
Selling, acquisition, operating and general expenses |  |  |  |  | 568.9 | 478.8 |
Amortization of intangibles |  |  |  |  | 135.6 | 115.5 |
Total operating costs and expenses |  |  |  |  | 2,284.8 | 2,064.0 |
Operating income |  |  |  |  | 349.4 | 207.7 |
Equity in net income (losses) of subsidiaries |  |  |  |  |  |  |
Interest expense |  |  |  |  | (218.8) |  |
Affiliated interest income |  |  |  |  |  | (140.0) |
(Loss) gain from the change in the fair value of the equity conversion feature of preferred stock |  |  |  |  | 29.3 | 1.5 |
Gain on contingent purchase price reduction |  |  |  |  |  | 41.0 |
Other expense, net |  |  |  |  | (11.9) | (8.5) |
Income from continuing operations before income taxes |  |  |  |  | 148.0 | 101.7 |
Income tax expense |  |  |  |  | 130.4 | 56.4 |
Net (loss) income |  |  |  |  | 17.6 | 45.3 |
Less: Net loss attributable to noncontrolling interest |  |  |  |  | (23.2) | (6.2) |
Net (loss) income attributable to controlling interest |  |  |  |  | 40.8 | 51.5 |
Less: Preferred stock dividends and accretion |  |  |  |  | 24.3 | 31.6 |
Net (loss) income attributable to common and participating preferred stockholders |  |  |  |  | $ 16.5 | $ 19.9 |
[1] | Included in corporate expenses for the three and six months ended March 31, 2013 and April 1, 2012, are $0.0 and $0.9, and $0.9 and $1.7, respectively, for start-up costs relating to Front Street and Salus, and $4.7 and $11.1, and $0.6 and $2.1, respectively, relating to acquisitions and other projects.

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