Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2019	Dec. 31, 2018
Current assets:
Cash and cash equivalents	$ 433,391	$ 331,761
Receivables, net	1,223,197	1,154,083
Inventories	2,582,188	2,836,075
Prepaid expenses and other current assets	245,082	199,030
Total current assets	4,483,858	4,520,949
Property, plant and equipment, net	1,184,188	1,220,162
Operating lease assets, net	1,303,260	0
Intangible assets:
Goodwill	4,309,822	4,381,458
Other intangibles, net	837,272	928,752
Equity method investments	144,009	179,169
Other noncurrent assets	149,281	162,912
Total assets	12,411,690	11,393,402
Current liabilities:
Accounts payable	997,874	942,398
Accrued expenses:
Accrued payroll-related liabilities	162,152	172,005
Refund liability	100,327	104,585
Other accrued expenses	326,634	288,425
Other current liabilities	113,349	61,109
Current portion of operating lease liabilities	225,572	0
Current portion of long-term obligations	128,143	121,826
Total current liabilities	2,054,051	1,690,348
Long-term operating lease liabilities, excluding current portion	1,129,423	0
Long-term obligations, excluding current portion	3,737,112	4,188,674
Deferred income taxes	296,199	311,434
Other noncurrent liabilities	322,205	364,194
Stockholders' equity:
Common stock, $0.01 par value, 1,000,000,000 shares authorized, 319,598,334 shares issued and 306,402,419 shares outstanding at September 30, 2019; 318,417,821 shares issued and 316,146,114 shares outstanding at December 31, 2018	3,196	3,184
Additional paid-in capital	1,427,382	1,415,188
Retained earnings	3,999,748	3,598,876
Accumulated other comprehensive loss	(260,746)	(174,950)
Treasury stock, at cost; 13,195,915 shares at September 30, 2019 and 2,271,707 shares at December 31, 2018	(351,813)	(60,000)
Total Company stockholders' equity	4,817,767	4,782,298
Noncontrolling interest	54,933	56,454
Total stockholders' equity	4,872,700	4,838,752
Total liabilities and stockholders' equity	$ 12,411,690	$ 11,393,402