v2.4.0.6
Consolidated Statements Of Cash Flows (USD $)
In Thousands, unless otherwise specified
 12 Months Ended
Dec. 31, 2011
Dec. 31, 2010
Dec. 31, 2009
OPERATING ACTIVITIES      
Net income $ 44,244 $ 20,505 $ 61,156
Adjustments to reconcile net income to net cash provided by operating activities:      
Amortization of deferred financing costs 4,383 3,063 1,616
Call premium related to redemption of long-term debt 4,964 0 0
Employee stock and stock option related compensation expense 5,433 4,933 3,279
Asset impairment 1,218 1,773 1,230
Depreciation and amortization 27,915 23,577 21,412
Interest accretion of convertible notes discount 3,589 0 0
Gain on acquisition of business 0 (1,124) (6,954)
Foreign currency transaction (gain) loss (734) 871 (687)
Loss on disposal of assets 323 0 0
Deferred income tax expense (benefit) (2,491) (9,345) (1,751)
Other (536) 3,236 1,999
Changes in assets and liabilities:      
Accounts receivable (33,095) (2,614) 15,217
Inventory (31,628) (13,717) 25,221
Unbilled contract revenues and other current assets (10,949) (2,554) 27,112
Accounts payable and other current liabilities 17,889 10,505 (16,567)
Deferred income taxes 138 (337) 641
Customer advances and billings in excess of contract revenue 50,995 (198) (45,998)
Net Cash Provided By Operating Activities 81,658 38,574 86,926
INVESTING ACTIVITIES      
Capital expenditures (22,380) (16,939) (13,190)
Proceeds from sale of assets 0 989 107
Acquisition of businesses, net of cash acquired (37,680) (47,865) (18,086)
Proceeds from maturities of short term investments 0 0 32,264
Other investing activities 388 (400) (1,897)
Net Cash (Used In) Investing Activities (59,672) (64,215) (802)
FINANCING ACTIVITIES      
Principal payments on long term debt (6,500) (18,250) 0
Payment of financing costs (7,277) (2,857) 0
Stock option exercise proceeds 7,027 1,063 746
Tax benefit from exercise of stock options 7,879 796 30
Retirement of long-term debt, including call premium 168,139 0 0
Proceeds from issuance of short-term debt 4,758 0 0
Proceeds from issuance of convertible notes 250,000 0 0
Proceeds from issuance of warrants 48,848 0 0
Payment for call options related to convertible notes (66,486) 0 0
Payment of contingent consideration (1,300) 0 0
Other financing activities (1,099) (54) 0
Net Cash Provided By (Used In) Financing Activities 67,711 (19,302) 776
Net increase (decrease) in cash and cash equivalents 89,697 (44,943) 86,900
Effect of exchange rate changes on cash 2,052 (1,113) 2,103
Cash and cash equivalents at beginning of period 165,112 211,168 122,165
CASH AND CASH EQUIVALENTS AT END OF PERIOD $ 256,861 $ 165,112 $ 211,168