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Consolidated Statements Of Cash Flows (USD $)
In Millions
9 Months Ended
Sep. 30, 2011
Sep. 30, 2010
Cash Flows from Operating Activities  
Net income$ 29.3$ 49.4
Adjustments to reconcile net income to net cash provided by operating activities:  
Depreciation and amortization11.1[1]11.6[1]
Impairment of Octane Additives segment goodwill1.71.7
Deferred income taxes(4.0)(0.3)
Profit on disposal of property, plant and equipment0(0.2)
Non-cash issue of promissory note in civil complaint settlement15.00
Non-cash issue of treasury stock in civil complaint settlement5.00
Changes in working capital:  
Trade and other accounts receivable(7.8)(3.3)
Inventories(15.7)4.2
Prepaid expenses(1.0)0.1
Accounts payable and accrued liabilities0.2(15.8)
Excess tax benefit from stock based payment arrangements(1.2)0
Accrued income taxes(9.6)(3.8)
Movement on plant closure provisions(0.5)(0.6)
Cash contributions to defined benefit pension plan(6.9)(8.2)
Non-cash expense of defined benefit pension plan0.316.6
Stock option compensation2.30.5
Movements on other non-current assets and liabilities2.7(9.5)
Net cash provided by operating activities20.942.4
Cash Flows from Investing Activities  
Capital expenditures(5.9)(6.3)
Proceeds on disposal of property, plant and equipment00.2
Purchase of short-term investments(4.2)(6.0)
Sale of short-term investments3.63.3
Net cash (used in) investing activities(6.5)(8.8)
Cash Flows from Financing Activities  
Net receipt of revolving credit facility43.07.0
Repayment of term loan(15.0)(10.0)
Excess tax benefit from stock based payment arrangements1.20
Issue of treasury stock0.70.1
Repurchase of common stock(19.5)(0.2)
Net cash provided by/(used in) financing activities10.4(3.1)
Effect of foreign currency exchange rate changes on cash0.2(0.3)
Net change in cash and cash equivalents25.030.2
Cash and cash equivalents at beginning of period107.168.6
Cash and cash equivalents at end of period$ 132.1$ 98.8
[1] Amortization of deferred finance costs of $0.5 million (2010—$1.1 million) are included in depreciation and amortization in the cash flow statement but in interest expense in the income statement.