CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Mar. 31, 2013	Apr. 01, 2012	Mar. 31, 2013	Apr. 01, 2012
Statement of Stockholders' Equity [Abstract]
Net (loss) income	$ (50.5)	$ (0.2)	$ 17.6	$ 45.3
Other comprehensive income (loss):
Foreign currency translation (losses) gains	(20.4)	18.5	(17.6)	3.6
Net unrealized gain on derivative instruments
Changes in derivative instruments before reclassification adjustment	1.5	(3.2)	1.4	(2.8)
Net reclassification adjustment for losses included in net income	0	1.1	0.4	3.5
Changes in derivative instruments after reclassification adjustment	1.5	(2.1)	1.8	0.7
Changes in deferred income tax asset/liability	(1.1)	1.4	(1.1)	0.4
Deferred tax valuation allowance adjustments	0.4	(0.5)	0.4	(0.2)
Net unrealized gain on derivative instruments	0.8	(1.2)	1.1	0.9
Actuarial adjustments to pension plans
Changes in actuarial adjustments before reclassification adjustment	(0.9)	0	(1.6)	0.3
Net reclassification adjustment for losses included in cost of goods sold	0.3	0.1	0.6	0.2
Net reclassification adjustment for losses included in selling and general and administrative expenses	0.2	0.1	0.4	0.1
Changes in actuarial adjustments to pension plans	(0.4)	0.2	(0.6)	0.6
Changes in deferred income tax asset/liability	0.2	0	0.3	(0.1)
Net actuarial adjustments to pension plans	(0.2)	0.2	(0.3)	0.5
Unrealized investment gains (losses):
Changes in unrealized investment gains before reclassification adjustment	53.9	210.0	180.2	286.3
Net reclassification adjustment for gains included in net income	(74.5)	(64.6)	(246.5)	(133.8)
Changes in unrealized investment gains after reclassification adjustment	(20.6)	145.4	(66.3)	152.5
Adjustments to intangible assets	22.3	(36.6)	50.3	(31.2)
Changes in deferred income tax asset/liability	(0.7)	(38.1)	5.5	(42.5)
Net unrealized gain on investments	1.0	70.7	(10.5)	78.8
Non-credit related other-than-temporary impairment:
Changes in non-credit related other-than-temporary impairment		(0.7)		(1.6)
Adjustments to intangible assets		0.2		0.6
Changes in deferred income tax asset/liability		0.2		0.3
Net change to derive comprehensive income (loss) for the period		(0.3)		(0.7)
Net change to derive comprehensive income (loss) for the period	(18.8)	87.9	(27.3)	83.1
Comprehensive (loss) income	(69.3)	87.7	(9.7)	128.4
Less: Comprehensive (loss) income attributable to the noncontrolling interest:
Net (loss) income	(17.2)	(12.2)	(23.2)	(6.2)
Other comprehensive (loss) income	(8.4)	7.4	(7.1)	1.7
Total comprehensive income (loss)	(25.6)	(4.8)	(30.3)	(4.5)
Comprehensive (loss) income attributable to the controlling interest	$ (43.7)	$ 92.5	$ 20.6	$ 132.9