CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Dec. 31, 2020		Dec. 31, 2019
Current Assets:
Cash and cash equivalents	$ 449,135		$ 150,902
Trade accounts receivable, net of allowance for expected credit losses	2,466,903		1,187,359
Other accounts receivable	239,199		98,029
Inventories	2,163,831		1,011,674
Prepaid expenses and other current assets	187,910		92,447
Total current assets	5,506,978		2,540,411
Property, buildings and equipment, net	399,157	[1]	181,448
Operating Lease, Right-of-Use Asset	534,705	[2]	235,834
Intangible assets, net	2,065,495		287,275
Goodwill	3,187,169		1,759,040
Deferred Income Taxes	37,696		11,248
Other assets	93,941		2,379
Assets Held-for-sale	55,073		0
Total assets	11,880,214		5,017,635
Current Liabilities:
Accounts payable	1,707,329		830,478
Accrued payroll and benefit costs	198,535		49,508
Short-term debt and current portion of long-term debt	528,830		26,685
Other current liabilities	552,301		177,388
Total current liabilities	2,986,995		1,084,059
Long-term Debt, Excluding Current Maturities	4,369,953		1,257,067
Operating Lease, Liability, Noncurrent	414,889	[2]	179,830
Deferred Income Tax Liabilities, Net	488,261		146,617
Other noncurrent liabilities	278,010		91,391
Liabilities Held for Sale	5,717		0
Total liabilities	8,543,825		2,758,964
Commitments and contingencies
Stockholders' Equity:
Preferred stock, $.01 par value; 20,000,000 shares authorized, no shares issued or outstanding	0		0
Additional capital	1,942,810		1,039,347
Retained earnings	2,601,662		2,530,429
Treasury stock, at cost	(938,335)		(937,157)
Accumulated other comprehensive income (loss)	(263,134)		(367,772)
Total stockholders' equity	3,343,722		2,265,483
Noncontrolling interest	(7,333)		(6,812)
Total WESCO International stockholders' equity	3,336,389		2,258,671
Total liabilities and stockholders' equity	11,880,214		5,017,635
Common Stock
Stockholders' Equity:
Common Stock	676		593
Common Class B
Stockholders' Equity:
Common Stock	43		43
Preferred Stock
Stockholders' Equity:
Preferred stock, $.01 par value; 20,000,000 shares authorized, no shares issued or outstanding	0		0
Series A Preferred Stock
Stockholders' Equity:
Preferred stock, $.01 par value; 20,000,000 shares authorized, no shares issued or outstanding	$ 0		$ 0

[1] The components of property, buildings and equipment as of December 31, 2020 exclude a total of $0.3 million that is classified as held for sale, as disclosed in Note 7, "Assets and Liabilities Held for Sale".

[2] Operating lease assets and liabilities of $1.9 million and $2.1 million, respectively, are classified as held for sale as of December 31, 2020, as disclosed in Note 7, "Assets and Liabilities Held for Sale".