CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Sep. 26, 2020	Dec. 28, 2019
Current assets:
Cash and cash equivalents	$ 113,640	$ 97,944
Accounts receivable, less allowance for doubtful accounts of $1,289 in 2020 and $770 in 2019	320,035	269,943
Inventories	271,310	292,107
Other current assets	24,880	33,778
Total current assets	729,865	693,772
Property, plant, and equipment, net	368,736	363,128
Operating lease right-of-use assets	22,397	26,922
Goodwill, net	185,479	153,276
Intangible assets, net	62,474	60,082
Investments in unconsolidated affiliates	27,423	48,363
Other assets	23,638	25,397
Total assets	1,420,012	1,370,940
Current liabilities:
Current portion of debt	6,684	7,530
Accounts payable	108,063	85,644
Accrued wages and other employee costs	49,016	41,673
Current portion of operating lease liabilities	6,320	5,250
Other current liabilities	82,669	94,190
Total current liabilities	252,752	234,287
Long-term debt, less current portion	342,972	378,724
Pension liabilities	5,773	9,126
Postretirement benefits other than pensions	12,413	13,082
Environmental reserves	19,809	19,972
Deferred income taxes	18,066	21,094
Noncurrent operating lease liabilities	16,464	22,388
Other noncurrent liabilities	12,412	10,131
Total liabilities	680,661	708,804
Mueller Industries, Inc. stockholders' equity:
Preferred stock - $1.00 par value; shares authorized 5,000,000; none outstanding	0	0
Common stock - $.01 par value; shares authorized 100,000,000; issued 80,183,004; outstanding 57,080,225 in 2020 and 56,949,246 in 2019	802	802
Additional paid-in capital	277,663	278,609
Retained earnings	988,983	903,070
Accumulated other comprehensive loss	(81,111)	(68,770)
Treasury common stock, at cost	(468,716)	(470,243)
Total Mueller Industries, Inc. stockholders' equity	717,621	643,468
Noncontrolling interests	21,730	18,668
Total equity	739,351	662,136
Total liabilities and equity	$ 1,420,012	$ 1,370,940