Consolidating Financial Information - Schedule of Income Statement Information (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended			15 Months Ended
	Jun. 30, 2013		Jun. 30, 2013	Jul. 01, 2012		Jul. 01, 2013
Revenues:
Net consumer product sales	$ 1,089.8		$ 2,947.8	$ 2,419.9		$ 824.8
Oil and natural gas	37.8		54.5
Insurance premiums	19.0		46.9	42.2		12.1
Net investment income	189.6		539.7	539.0		179.2
Net investment gains (losses)	58.3		411.5	254.6		(12.9)
Insurance and investment product fees and other	16.1		44.4	28.2		9.0
Total revenues	1,410.6		4,044.8	3,283.9		1,012.2
Operating costs and expenses:
Consumer products cost of goods sold	707.0		1,954.0	1,584.1		533.1
Oil and natural gas direct operating costs	18.1		26.9
Benefits and other changes in policy reserves	107.2		431.7	559.7		141.0
Selling, acquisition, operating and general expenses	310.7		879.6	692.4		213.6
Amortization of intangibles	85.0		220.6	158.5		43.0
Total operating costs and expenses	1,228.0		3,512.8	2,994.7		930.7
Operating income	182.6		532.0	289.2		81.5
Interest expense	(83.9)		(302.7)	(194.4)		(54.4)
Gain (loss) from the change in the fair value of the equity conversion feature of preferred stock	52.6		81.9	(124.0)		(125.5)
Gain on contingent purchase price reduction				41.0
Other income (expense), net	4.2		(7.7)	(26.0)		(17.5)
Income (loss) from continuing operations before income taxes	155.5		303.5	(14.2)		(115.9)
Income tax expense (benefit)	36.8		167.2	50.6		(5.8)
Net income (loss)	118.7		136.3	(64.8)		(110.1)
Less: Net income (loss) attributable to noncontrolling interest	15.1		(8.1)	18.8		25.0
Net income (loss) attributable to controlling interest	103.6		144.4	(83.6)		(135.1)
Less: Preferred stock dividends and accretion	12.0		36.3	45.6		14.0
Net income (loss) attributable to common and participating preferred stockholders	91.6		108.1	(129.2)		(149.1)
Consumer Products [Member]
Revenues:
Net consumer product sales			2,947.8	2,419.9
Oil and natural gas
Insurance premiums
Net investment income
Net investment gains (losses)
Insurance and investment product fees and other
Total revenues	1,089.8		2,947.8	2,419.9		824.8
Operating costs and expenses:
Consumer products cost of goods sold			1,954.0	1,584.1
Oil and natural gas direct operating costs
Benefits and other changes in policy reserves
Selling, acquisition, operating and general expenses			700.2	555.1
Amortization of intangibles			57.5	46.5
Total operating costs and expenses			2,711.7	2,185.7
Operating income	115.7		236.1	234.2		95.2
Equity in net income (losses) of subsidiaries
Interest expense			(191.8)
Affiliated interest income				(150.1)
Gain (loss) from the change in the fair value of the equity conversion feature of preferred stock
Gain on contingent purchase price reduction
Other income (expense), net			(7.9)	(2.2)
Income (loss) from continuing operations before income taxes			36.4	81.9
Income tax expense (benefit)			54.9	38.8
Net income (loss)			(18.5)	43.1
Less: Net income (loss) attributable to noncontrolling interest			(8.5)	18.8
Net income (loss) attributable to controlling interest			(10.0)	24.3
Less: Preferred stock dividends and accretion
Net income (loss) attributable to common and participating preferred stockholders			(10.0)	24.3
Insurance [Member]
Revenues:
Net consumer product sales
Oil and natural gas
Insurance premiums			46.9	42.2
Net investment income			519.5	537.6
Net investment gains (losses)			411.5	254.6
Insurance and investment product fees and other			44.4	28.2
Total revenues	276.0		1,022.3	862.6		186.3
Operating costs and expenses:
Consumer products cost of goods sold
Oil and natural gas direct operating costs
Benefits and other changes in policy reserves			431.7	559.7
Selling, acquisition, operating and general expenses			76.0	101.4
Amortization of intangibles			163.1	112.0
Total operating costs and expenses			670.8	773.1
Operating income	78.5		351.5	89.5		(1.5)
Equity in net income (losses) of subsidiaries
Interest expense			(5.9)
Affiliated interest income			3.4	(1.9)
Gain (loss) from the change in the fair value of the equity conversion feature of preferred stock
Gain on contingent purchase price reduction				41.0
Other income (expense), net			0.2
Income (loss) from continuing operations before income taxes			349.2	128.6
Income tax expense (benefit)			112.1	11.8
Net income (loss)			237.1	116.8
Less: Net income (loss) attributable to noncontrolling interest
Net income (loss) attributable to controlling interest			237.1	116.8
Less: Preferred stock dividends and accretion
Net income (loss) attributable to common and participating preferred stockholders			237.1	116.8
Energy Segment [Member]
Revenues:
Net consumer product sales
Oil and natural gas			54.5
Insurance premiums
Net investment income
Net investment gains (losses)
Insurance and investment product fees and other
Total revenues	37.8		54.5
Operating costs and expenses:
Consumer products cost of goods sold
Oil and natural gas direct operating costs			26.9
Benefits and other changes in policy reserves
Selling, acquisition, operating and general expenses			22.3
Amortization of intangibles
Total operating costs and expenses			49.2
Operating income	4.8		5.3
Equity in net income (losses) of subsidiaries
Interest expense			(2.8)
Affiliated interest income			(3.4)
Gain (loss) from the change in the fair value of the equity conversion feature of preferred stock
Gain on contingent purchase price reduction
Other income (expense), net			0.8
Income (loss) from continuing operations before income taxes			(0.1)
Income tax expense (benefit)
Net income (loss)			(0.1)
Less: Net income (loss) attributable to noncontrolling interest
Net income (loss) attributable to controlling interest			(0.1)
Less: Preferred stock dividends and accretion
Net income (loss) attributable to common and participating preferred stockholders			(0.1)
Other Financial Services [Member]
Revenues:
Net consumer product sales
Oil and natural gas
Insurance premiums
Net investment income			27.8	2.1
Net investment gains (losses)
Insurance and investment product fees and other			1.7
Total revenues	10.2		29.5	2.1		1.7
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			12.9	2.6
Amortization of intangibles
Total operating costs and expenses			12.9	2.6
Operating income	4.1		16.6	(0.5)		0.5
Equity in net income (losses) of subsidiaries				(0.7)
Interest expense
Affiliated interest income			(6.6)
Gain (loss) from the change in the fair value of the equity conversion feature of preferred stock
Gain on contingent purchase price reduction
Other income (expense), net			(0.9)
Income (loss) from continuing operations before income taxes			9.1	(1.2)
Income tax expense (benefit)			0.2
Net income (loss)			8.9	(1.2)
Less: Net income (loss) attributable to noncontrolling interest			0.4
Net income (loss) attributable to controlling interest			8.5	(1.2)
Less: Preferred stock dividends and accretion
Net income (loss) attributable to common and participating preferred stockholders			8.5	(1.2)
Corporate and Other [Member]
Revenues:
Net consumer product sales
Oil and natural gas
Insurance premiums
Net investment income
Net investment gains (losses)
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			68.2	33.3
Amortization of intangibles
Total operating costs and expenses			68.2	33.3
Operating income	(17.5)	[1]	(68.2)	(33.3)	[1]	(12.1)	[1]
Equity in net income (losses) of subsidiaries			235.5
Interest expense			(102.2)	139.9
Affiliated interest income				(42.4)
Gain (loss) from the change in the fair value of the equity conversion feature of preferred stock			81.9	(124.0)
Gain on contingent purchase price reduction
Other income (expense), net			0.1	(23.8)
Income (loss) from continuing operations before income taxes			147.1	(83.6)
Income tax expense (benefit)
Net income (loss)			147.1	(83.6)
Less: Net income (loss) attributable to noncontrolling interest
Net income (loss) attributable to controlling interest			147.1	(83.6)
Less: Preferred stock dividends and accretion			36.3	45.6
Net income (loss) attributable to common and participating preferred stockholders			110.8	(129.2)
Intersegment elimination [Member]
Revenues:
Net consumer product sales
Oil and natural gas
Insurance premiums
Net investment income			(7.6)	(0.7)
Net investment gains (losses)
Insurance and investment product fees and other			(1.7)
Total revenues	(3.2)		(9.3)	(0.7)		(0.6)
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	(3.0)		(9.3)	(0.7)		(0.6)
Equity in net income (losses) of subsidiaries			(235.5)	0.7
Interest expense				(139.9)
Affiliated interest income			6.6
Gain (loss) from the change in the fair value of the equity conversion feature of preferred stock
Gain on contingent purchase price reduction
Other income (expense), net
Income (loss) from continuing operations before income taxes			(238.2)	(139.9)
Income tax expense (benefit)
Net income (loss)			(238.2)	(139.9)
Less: Net income (loss) attributable to noncontrolling interest
Net income (loss) attributable to controlling interest			(238.2)	(139.9)
Less: Preferred stock dividends and accretion
Net income (loss) attributable to common and participating preferred stockholders			(238.2)	(139.9)
Consolidated Entities [Member]
Revenues:
Net consumer product sales			2,947.8	2,419.9
Oil and natural gas			54.5
Insurance premiums			46.9	42.2
Net investment income			539.7	539.0
Net investment gains (losses)			411.5	254.6
Insurance and investment product fees and other			44.4	28.2
Total revenues			4,044.8	3,283.9
Operating costs and expenses:
Consumer products cost of goods sold			1,954.0	1,584.1
Oil and natural gas direct operating costs			26.9
Benefits and other changes in policy reserves			431.7	559.7
Selling, acquisition, operating and general expenses			879.6	692.4
Amortization of intangibles			220.6	158.5
Total operating costs and expenses			3,512.8	2,994.7
Operating income			532.0	289.2
Equity in net income (losses) of subsidiaries
Interest expense			(302.7)
Affiliated interest income				(194.4)
Gain (loss) from the change in the fair value of the equity conversion feature of preferred stock			81.9	(124.0)
Gain on contingent purchase price reduction				41.0
Other income (expense), net			(7.7)	(26.0)
Income (loss) from continuing operations before income taxes			303.5	(14.2)
Income tax expense (benefit)			167.2	50.6
Net income (loss)			136.3	(64.8)
Less: Net income (loss) attributable to noncontrolling interest			(8.1)	18.8
Net income (loss) attributable to controlling interest			144.4	(83.6)
Less: Preferred stock dividends and accretion			36.3	45.6
Net income (loss) attributable to common and participating preferred stockholders			$ 108.1	$ (129.2)

[1] Included in corporate expenses for the three and nine months ended June 30, 2013 and July 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 $0.9 and $12.0, and $0.3 and $6.9, respectively, relating to acquisitions and other projects.