Condensed Consolidated Balance Sheets (USD $) In Millions, unless otherwise specified	Jun. 30, 2013	Sep. 30, 2012
Current assets:
Cash and cash equivalents	$ 1,430.8	$ 1,188.6
Short-term investments	613.5	848.4
Accounts receivable, net	506.8	485.9
Inventories	1,173.8	1,241.5
Prepaid expenses and other current assets	302.0	196.5
Deferred income taxes, net	212.8	238.7
Total current assets	4,239.7	4,199.6
Long-term investments	45.5	116.0
Equity and cost investments	443.4	459.9
Property, plant and equipment, net	2,987.1	2,658.9
Other assets	485.8	385.7
Goodwill	860.9	399.1
TOTAL ASSETS	9,062.4	8,219.2
Current liabilities:
Accounts payable	415.2	398.1
Accrued liabilities	1,149.7	1,133.8
Insurance reserves	177.5	167.7
Deferred revenue	682.0	510.2
Total current liabilities	2,424.4	2,209.8
Long-term debt	549.7	549.6
Other long-term liabilities	340.7	345.3
Total liabilities	3,314.8	3,104.7
Shareholders' equity:
Common stock ($0.001 par value) — authorized, 1,200.0 shares; issued and outstanding, 751.1 shares and 749.3 shares (includes 3.4 common stock units), respectively	0.8	0.7
Additional paid-in capital	167.7	39.4
Retained earnings	5,558.5	5,046.2
Accumulated other comprehensive income (loss)	14.5	22.7
Total shareholders' equity	5,741.5	5,109.0
Noncontrolling interest	6.1	5.5
Total equity	5,747.6	5,114.5
TOTAL LIABILITIES AND EQUITY	$ 9,062.4	$ 8,219.2