CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($)	3 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Net Income (Loss) Attributable to Parent	$ 212,200,000	$ (33,900,000)
Net income	260,800,000	7,000,000
Income (Loss) from Continuing Operations, Including Portion Attributable to Noncontrolling Interest	2,000,000	9,500,000
Other comprehensive loss
Foreign currency translation losses	(46,100,000)	(20,500,000)
Net unrealized gains on derivative instruments:
Changes in derivative instruments before reclassification adjustment	43,200,000	4,600,000
Net reclassification adjustment for gains included in net income	(4,800,000)	(200,000)
Changes in derivative instruments after reclassification adjustment	38,400,000	4,400,000
Changes in deferred income tax asset/liability	(14,200,000)	(900,000)
OtherComprehensiveIncomeLossDerivativesQualifyingAsHedges,DeferredTaxValuationAllowanceAdjustment		200,000
Net unrealized gains on derivative instruments:	24,200,000	3,700,000
Actuarial adjustments to pension plans:
Changes in actuarial adjustments before reclassification adjustment	3,200,000	800,000
Net reclassification adjustment for losses included in cost of goods sold	800,000	300,000
Net reclassification adjustment for losses included in selling and general and administrative expenses	500,000	300,000
Net actuarial adjustments to pension plans	3,300,000	1,100,000
Unrealized investment losses:
Changes in unrealized investment losses before reclassification adjustment	(667,000,000)	(375,900,000)
Net reclassification adjustment for (gains) losses included in net income	(2,100,000)	7,100,000
Changes in unrealized investment losses after reclassification adjustment	(669,100,000)	(368,800,000)
Adjustments to intangible assets	225,300,000	135,300,000
Changes in deferred income tax asset/liability	154,700,000	80,200,000
Net unrealized losses on investments	(289,100,000.0)	(153,300,000)
Non-credit related other-than-temporary impairment:
Net change to derive comprehensive loss for the period	(307,700,000)	(169,000,000)
Comprehensive loss	(46,900,000)	(162,000,000)
Less: Comprehensive loss attributable to the noncontrolling interest:
Net income	48,600,000	40,900,000
Other comprehensive loss	(63,800,000)	(36,100,000)
Total comprehensive income (loss)	(15,200,000)	4,800,000
Comprehensive loss attributable to the controlling interest	(31,700,000)	(166,800,000)
Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Net Unamortized Gain (Loss) Arising During Period, before Tax	4,500,000	1,400,000
Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Net Unamortized Gain (Loss) Arising During Period, Tax	(1,300,000)	$ (300,000)
Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Change in Deferred Tax Allowance	$ (100,000)