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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $)
In Millions
 6 Months Ended
Jun. 30, 2011
Jun. 30, 2010
Operating activities    
Net income $ 84.5 $ 41.5
Adjustments to reconcile net income to net cash provided by operating activities    
Depreciation and amortization 68.8 64.4
Asset impairments and related indirect inventory obsolescence 0 8.7
Deferred income taxes 22.3 0
Stock-based compensation 3.1 4.9
Pensions and other postretirement benefits, net of contributions 1.6 (16.3)
Loss (gain) on disposal of property, plant and equipment, net (6.5) 0.1
Debt refinancing and redemption costs 1.8 0
Changes in operating assets and liabilities    
Accounts receivable (50.3) (43.0)
Inventories (16.8) (26.6)
Accounts payable and accrued expenses 67.3 117.1
Deferred revenue (37.7) (29.6)
Other assets and liabilities (21.6) 43.7
Net cash provided by operating activities 116.5 164.9
Investing activities    
Purchases of property, plant and equipment (71.6) (36.9)
Proceeds from sale of property, plant and equipment 7.8 1.2
Purchase buyouts of leased equipment 0 (7.4)
Redemption of short-term investments 0 1.6
Net cash used in investing activities (63.8) (41.5)
Financing activities    
Net short-term borrowings (repayments) under revolving credit facilities 0 (60.0)
Payments of long-term debt and capital lease obligations 49.2 4.8
Proceeds from issuance of long-term debt 1.8 7.3
Debt issuance costs (5.3) (2.2)
Repurchase of treasury stock (0.1) (1.3)
Employee stock option exercises 4.6 0
Net cash used in financing activities (48.2) (61.0)
Effect of exchange rate changes on cash 1.2 (1.8)
Net increase in cash and cash equivalents 5.7 60.6
Cash and cash equivalents at beginning of period 244.6 178.1
Cash and cash equivalents at end of period 250.3 238.7
Supplemental Cash Flow Information [Abstract]    
Interest paid 38.2 20.3
Income taxes paid (refunds received), net $ 2.8 $ (45.1)