Annual report pursuant to Section 13 and 15(d)

CONSOLIDATED STATEMENTS OF CASH FLOWS

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CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $)
In Thousands, unless otherwise specified
 12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Cash Flows from Operating Activities:      
Net income $ 322,656 $ 144,416 $ 155,557
Income from discontinued operations (16,935) (14,004) (10,483)
Adjustments to reconcile net income to net cash provided by operating activities -      
Depreciation 120,303 109,874 101,199
Amortization of intangible assets 37,691 29,039 37,655
Equity in earnings of unconsolidated affiliates (2,084)    
Non-cash interest expense     1,704
Amortization of debt issuance costs 904 901 642
Amortization of deferred revenues (10,149) (11,415) (12,471)
(Gain) loss on sale of property and equipment (970) 897 4,577
Non-cash loss on early extinguishment of debt     4,797
Foreign currency (gain) loss 691 1,196 (328)
Provision for (recovery of) doubtful accounts 3,693 1,163 (142)
Deferred income tax provision 22,533 556 33,156
Non-cash stock-based compensation 25,990 19,480 20,640
Tax impact of stock-based equity awards (297) (1,365) (2,161)
Changes in operating assets and liabilities, net of non-cash transactions - (Increase) decrease in -      
Accounts and notes receivable (341,825) (270,248) (17,483)
Costs and estimated earnings in excess of billings on uncompleted contracts (150,486) (64,478) (59,423)
Inventories 26,435 (13,581) (16,591)
Prepaid expenses and other current assets (12,599) 10,490 (12,551)
Increase (decrease) in -      
Accounts payable and accrued expenses and other non-current liabilities 123,143 201,890 (17,502)
Billings in excess of costs and estimated earnings on uncompleted contracts 26,624 63,066 10,088
Other, net (8,479) (3,799) (3,322)
Net cash provided by operating activities of continuing operations 166,839 204,078 217,558
Cash Flows from Investing Activities:      
Proceeds from sale of property and equipment 12,362 9,142 24,373
Additions of property and equipment (209,445) (162,285) (144,042)
Cash paid for acquisitions, net of cash acquired (68,727) (79,660) (130,251)
Payments to acquire equity method investments (53,750) (35,000)  
Cash paid for other investments   (4,000)  
Cash paid for other intangibles (1,541) (455)  
Net cash (used in) investing activities of continuing operations (321,101) (272,258) (249,920)
Cash Flows from Financing Activities:      
Borrowings under credit facility 1,052,700    
Payments under credit facility (1,052,700)    
Proceeds from other long-term debt   4,343 1,183
Payments on other long-term debt (56) (5,680) (3,438)
Payments on convertible subordinated notes     (143,750)
Debt issuance and amendment costs   (4,127)  
Distributions to noncontrolling interests (17,970) (5,954) (2,395)
Tax impact of stock-based equity awards 297 1,365 2,161
Exercise of stock options 2,385 867 534
Repurchase of common stock   (149,547)  
Net cash used in financing activities of continuing operations (15,344) (158,733) (145,705)
Discontinued operations:      
Net cash provided by (used in) operating activities (60,622) 13,952 22,700
Net cash provided by (used in) investing activities 307,522 (8,959) (4,333)
Net cash provided by discontinued operations 246,900 4,993 18,367
Effect of foreign exchange rate changes on cash and cash equivalents 2,058 (1,952) (708)
Net increase (decrease) in cash and cash equivalents 79,352 (223,872) (160,408)
Cash and cash equivalents, beginning of year 315,349 539,221 699,629
Cash and cash equivalents of, end of year 394,701 315,349 539,221
Cash (paid) received during the year for -      
Interest paid (2,734) (701) (3,479)
Redemption premium on convertible subordinated notes     (2,310)
Income tax paid (155,494) (13,306) (108,700)
Income tax refunds $ 4,106 $ 6,502 $ 9,707