Revenues (Tables)

12 Months Ended

Dec. 31, 2019

Revenue from Contract with Customer [Abstract]

Disaggregation of Revenue

The following tables present our revenues disaggregated by major product category (in thousands).

	Cable & Connectivity		Networking, Software & Security		Total Revenues
Year Ended December 31, 2019
Enterprise Solutions	$	1,031,687	$	49,545	$	1,081,232
Industrial Solutions	630,462		419,584		1,050,046
Total	$	1,662,149	$	469,129	$	2,131,278
Year Ended December 31, 2018
Enterprise Solutions	$	1,046,744	$	49,156	$	1,095,900
Industrial Solutions	662,742		407,060		1,069,802
Total	$	1,709,486	$	456,216	$	2,165,702
Year Ended December 31, 2017
Enterprise Solutions	$	1,024,090	$	30,757	$	1,054,847
Industrial Solutions	628,889		403,449		1,032,338
Total	$	1,652,979	$	434,206	$	2,087,185

The following tables present our revenues disaggregated by geography, based on the location of the customer purchasing the product (in thousands).

	Americas		EMEA		APAC		Total Revenues
Year Ended December 31, 2019
Enterprise Solutions	$	830,197	$	135,734	$	115,301	$	1,081,232
Industrial Solutions	607,374		274,028		168,644		1,050,046
Total	$	1,437,571	$	409,762	$	283,945	$	2,131,278
Year Ended December 31, 2018
Enterprise Solutions	$	838,874	$	135,241	$	121,785	$	1,095,900
Industrial Solutions	619,790		290,538		159,474		1,069,802
Total	$	1,458,664	$	425,779	$	281,259	$	2,165,702
Year Ended December 31, 2017
Enterprise Solutions	$	802,274	$	134,270	$	118,303	$	1,054,847
Industrial Solutions	606,437		280,785		145,116		1,032,338
Total	$	1,408,711	$	415,055	$	263,419	$	2,087,185

The following tables present our revenues disaggregated by products, including software products, and support and services (in thousands).

	Products		Support & Services		Total Revenues
Year Ended December 31, 2019
Enterprise Solutions	$	1,081,232	$	—	$	1,081,232
Industrial Solutions	963,007		87,039		1,050,046
Total	$	2,044,239	$	87,039	$	2,131,278
Year Ended December 31, 2018
Enterprise Solutions	$	1,095,883	$	17	$	1,095,900
Industrial Solutions	974,029		95,773		1,069,802
Total	$	2,069,912	$	95,790	$	2,165,702
Year Ended December 31, 2017
Enterprise Solutions	$	1,054,847	$	—	$	1,054,847
Industrial Solutions	929,263		103,075		1,032,338
Total	$	1,984,110	$	103,075	$	2,087,185

Contract with Customer, Asset and Liability

The following table presents deferred revenue activity (in thousands):

Balance at December 31, 2017	$	73,478
New deferrals	104,900
Revenue recognized	(106,020		)
Balance at December 31, 2018	72,358
New deferrals	111,812
Revenue recognized	(114,100		)
Balance at December 31, 2019	$	70,070

The following table presents estimated and accrued variable consideration:

	December 31, 2019	December 31, 2018
	(in thousands)
Accrued rebates	37,170	41,312
Accrued returns	10,974	9,137
Price adjustment recognized against gross accounts receivable	28,672	24,976