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CONSOLIDATED BALANCE SHEETS (Unaudited) - USD ($) $ in Thousands | Jun. 30, 2019 | Mar. 31, 2019 | Dec. 31, 2018 | Jun. 30, 2018 | Mar. 31, 2018 | Dec. 31, 2017
--- | --- | --- | --- | --- | --- | ---
Assets |  |  |  |  |  |
Cash and cash equivalents | $ 215,233 | $ 187,385 | $ 197,755 | $ 154,744 | $ 151,426 | $ 183,727
Accounts receivable, net | 220,584 |  | 223,176 |  |  |
Contract assets | 54,431 |  | 57,447 |  |  |
Inventories | 104,254 |  | 85,904 |  |  |
Income taxes prepaid and receivable | 7,165 |  | 7,473 |  |  |
Prepaid expenses and other current assets | 25,108 |  | 21,294 |  |  |
Total current assets | 626,775 |  | 593,049 |  |  |
Property, plant and equipment, net | 458,038 |  | 462,055 |  |  |
Intangibles, net | 46,089 |  | 49,206 |  |  |
Goodwill | 164,083 |  | 164,382 |  |  |
Deferred income taxes | 66,082 |  | 62,622 |  |  |
Noncurrent receivables | 45,651 |  | 45,061 |  |  |
Other assets | 51,381 |  | 41,617 |  |  |
Total assets | 1,458,099 |  | 1,417,992 |  |  |
LIABILITIES AND SHAREHOLDERS' EQUITY |  |  |  |  |  |
Accounts payable | 61,899 |  | 52,246 |  |  |
Accrued liabilities | 120,693 |  | 129,030 |  |  |
Current maturities of long-term debt | 19 |  | 1,224 |  |  |
Income taxes payable | 14,078 |  | 6,806 |  |  |
Total current liabilities | 196,689 |  | 189,306 |  |  |
Long-term debt | 482,019 |  | 523,707 |  |  |
Other noncurrent liabilities | 119,642 |  | 88,277 |  |  |
Deferred taxes and other liabilities | 8,433 |  | 8,422 |  |  |
Total liabilities | 806,783 |  | 809,712 |  |  |
SHAREHOLDERS' EQUITY |  |  |  |  |  |
Preferred stock, par value $5.00 per share; authorized 2,000,000 shares; none issued |  |  |  |  |  |
Additional paid in capital | 431,037 |  | 430,555 |  |  |
Retained earnings | 641,297 |  | 589,645 |  |  |
Accumulated items of other comprehensive income: |  |  |  |  |  |
Translation adjustments | (116,631) |  | (115,976) |  |  |
Pension and postretirement liability adjustments | (48,636) |  | (47,109) |  |  |
Derivative valuation adjustment | (2,849) |  | 4,697 |  |  |
Treasury stock (Class A), at cost 8,408,770 shares in 2019 and 8,418,620 shares in 2018 | (256,391) |  | (256,603) |  |  |
Total Company shareholders' equity | 647,868 |  | 605,249 |  |  |
Noncontrolling interest | 3,448 |  | 3,031 |  |  |
Total equity | 651,316 | 626,407 | 608,280 | 588,630 | 592,578 | 573,015
Total liabilities and shareholders' equity | 1,458,099 |  | 1,417,992 |  |  |
Common Class A [Member] |  |  |  |  |  |
SHAREHOLDERS' EQUITY |  |  |  |  |  |
Common Stock | 39 |  | 37 |  |  |
Accumulated items of other comprehensive income: |  |  |  |  |  |
Total equity | 39 | 37 | 37 | 37 | 37 | 37
Common Class B [Member] |  |  |  |  |  |
SHAREHOLDERS' EQUITY |  |  |  |  |  |
Common Stock | 2 |  | $ 3 |  |  |
Accumulated items of other comprehensive income: |  |  |  |  |  |
Total equity | $ 2 | $ 3 |  | $ 3 | $ 3 | $ 3

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