Condensed Consolidated Balance Sheets (USD $)
In Thousands, unless otherwise specified
Mar. 31, 2015
Dec. 31, 2014
Current assets:    
Cash and cash equivalents $ 209,025 $ 182,059
Short-term investments 129,895 148,383
Receivables, less allowance for doubtful accounts of $866 and $694 111,417 117,745
Inventories, net 475,719 474,306
Costs in excess of billings 8,171 5,522
Deferred income taxes 30,632 30,632
Other current assets 23,817 19,803
Total current assets 988,676 978,450
Property, plant, and equipment, net 366,236 369,287
Goodwill 144,513 145,518
Other intangible assets, net 55,131 57,122
Other noncurrent assets 14,189 15,317
Total assets 1,568,745 1,565,694
Current liabilities:    
Current portion of long-term debt 113,121 111,645
Accounts payable 85,401 105,044
Accrued wages and other employee costs 24,132 26,874
Billings in excess of cost 11,777 9,962
Unearned revenues 22,042 7,623
Other accrued liabilities 26,582 18,724
Total current liabilities 283,055 279,872
Long-term debt 348,031 345,012
Liability for post-retirement benefits 48,935 48,295
Liability for pension benefits 16,673 16,986
Deferred income taxes 60,467 60,503
Unearned revenues 4,829 5,476
Other noncurrent liabilities 13,889 14,070
Total liabilities 775,879 770,214
Commitments and contingencies (Note 15)      
Shareholders’ equity:    
Common stock, $0.01 par value; 100,000,000 shares authorized; 31,672,731 and 31,585,696 shares issued; 30,794,405 and 30,729,784 shares outstanding 317 316
Additional paid-in capital 540,504 538,703
Treasury stock, at cost; 878,326 and 855,912 shares (19,974) (19,649)
Accumulated other comprehensive loss (64,213) (55,589)
Retained earnings 336,232 331,699
Total shareholders’ equity 792,866 795,480
Total liabilities and shareholders’ equity $ 1,568,745 $ 1,565,694