v3.8.0.1
CONSOLIDATED STATEMENTS OF CASH FLOW (Unaudited) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2018
Mar. 31, 2017
OPERATING ACTIVITIES    
Net income $ 10,482 $ 10,974
Adjustments to reconcile net income to net cash used in operating activities:    
Depreciation 18,302 14,644
Amortization 2,646 2,649
Change in other noncurrent liabilities (377) (1,596)
Change in deferred taxes and other liabilities (784) (612)
Provision for write-off of property, plant and equipment 271 296
Non-cash interest expense 211
Compensation and benefits paid or payable in Class A Common Stock 289 989
Fair value adjustment on foreign currency option 37 54
Changes in operating assets and liabilities that (used)/provided cash:    
Accounts receivable (31,467) (741)
Contract assets 2,116
Inventories (9,244) (14,921)
Prepaid expenses and other current assets (4,063) (1,917)
Income taxes prepaid and receivable 102
Accounts payable (2,538) 3,524
Accrued liabilities (1,185) (10,971)
Income taxes payable (3,431) (2,486)
Noncurrent receivables 2,527 (3,915)
Other, net (2,630) (754)
Net cash used in operating activities (18,947) (4,572)
INVESTING ACTIVITIES    
Purchases of property, plant and equipment (15,771) (25,045)
Purchased software (29) (38)
Net cash used in investing activities (15,800) (25,083)
FINANCING ACTIVITIES    
Proceeds from borrowings 13,011 16,145
Principal payments on debt (8,490) (20,602)
Taxes paid in lieu of share issuance (1,652) (1,364)
Proceeds from options exercised 147 75
Dividends paid (5,474) (5,459)
Net cash used in financing activities (2,458) (11,205)
Effect of exchange rate changes on cash and cash equivalents 4,904 2,451
Decrease in cash and cash equivalents (32,301) (38,409)
Cash and cash equivalents at beginning of period 183,727 181,742
Cash and cash equivalents at end of period $ 151,426 $ 143,333