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Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified | Sep. 30, 2014 | Dec. 31, 2013
--- | --- | ---
Current assets |  |
Cash and cash equivalents | $ 87,612 | $ 158,017
Accounts receivable, net | 266,846 | 236,099
Prepaids and other current assets | 67,803 | 52,332
Deferred tax assets, net | 9,939 | 11,905
Income tax receivable | 7,296 | 11,198
Total current assets | 439,496 | 469,551
Long-term assets |  |
Property, plant and equipment, net | 147,905 | 126,719
Goodwill | 128,830 | 102,743
Contract acquisition costs, net | 1,381 | 1,642
Deferred tax assets, net | 42,868 | 42,791
Other intangible assets, net | 61,831 | 54,812
Other long-term assets | 38,998 | 44,084
Total long-term assets | 421,813 | 372,791
Total assets | 861,309 | 842,342
Current liabilities |  |
Accounts payable | 34,154 | 32,031
Accrued employee compensation and benefits | 68,421 | 80,130
Other accrued expenses | 34,212 | 31,659
Income taxes payable | 6,224 | 6,066
Deferred tax liabilities, net | 34 | 590
Deferred revenue | 30,187 | 28,799
Other current liabilities | 15,666 | 11,512
Total current liabilities | 188,898 | 190,787
Long-term liabilities |  |
Line of credit | 115,000 | 100,000
Deferred tax liabilities, net | 2,551 | 2,281
Deferred rent | 9,080 | 9,635
Other long-term liabilities | 75,297 | 63,648
Total long-term liabilities | 201,928 | 175,564
Total liabilities | 390,826 | 366,351
Commitments and contingencies (Note 10) |  |
Mandatorily redeemable noncontrolling interest | 2,790 | 2,509
Stockholders' equity |  |
Preferred stock - $0.01 par value: 10,000,000 shares authorized; zero shares outstanding as of September 30, 2014 and December 31, 2013 | 0 | 0
Common stock - $0.01 par value; 150,000,000 shares authorized; 49,805,900 and 50,352,881 shares outstanding as of September 30, 2014 and December 31, 2013, respectively | 489 | 503
Additional paid-in capital | 355,824 | 356,381
Treasury stock at cost: 33,246,353 and 31,699,372 shares as of September 30, 2014 and December 31, 2013, respectively | (518,745) | (477,399)
Accumulated other comprehensive income (loss) | (33,750) | (20,586)
Retained earnings | 655,720 | 606,502
Noncontrolling interest | 8,155 | 8,081
Total stockholders' equity | 467,693 | 473,482
Total liabilities and stockholders' equity | $ 861,309 | $ 842,342

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