Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Current assets:
Cash and cash equivalents	$ 643,757	$ 501,994
Receivables, net	412,217	296,817
Inventories, net	345,354	247,298
Other current assets	65,700	52,289
Total current assets	1,467,028	1,098,398
Property, plant and equipment, less accumulated depreciation	349,814	368,620
Operating lease right-of-use assets	79,464	54,787
Goodwill	1,152,472	1,251,938
Intangible assets, less accumulated amortization	301,696	287,071
Deferred income taxes	32,321	29,536
Other long-lived assets	34,882	49,384
Segment assets	3,417,677	3,139,734
Current liabilities:
Accounts payable	384,223	244,120
Accrued liabilities	334,316	276,641
Total current liabilities	718,539	520,761
Long-term debt	1,459,991	1,573,726
Postretirement benefits	120,997	160,400
Deferred income taxes	59,990	38,400
Long-term operating lease liabilities	67,225	46,398
Other long-term liabilities	34,853	42,998
Stockholders’ equity:
Common stock, par value $0.01 per share— 200,000 shares authorized; 50,335 shares issued; 44,975 and 44,643 shares outstanding at 2021 and 2020, respectively	503	503
Additional paid-in capital	833,627	823,605
Retained earnings	505,717	450,876
Accumulated other comprehensive loss	(70,566)	(191,851)
Treasury stock, at cost— 5,360 and 5,692 shares at 2021 and 2020, respectively	(313,994)	(332,552)
Total Belden stockholders’ equity	955,287	750,581
Noncontrolling interest	795	6,470
Total stockholders’ equity	956,082	757,051
Total liabilities and stockholders' equity	$ 3,417,677	$ 3,139,734