REVENUE (Tables)

6 Months Ended

Jun. 30, 2021

Revenue from Contract with Customer [Abstract]

Schedule of Revenue From External Customers by Geographic Areas

The following tables disaggregate our revenue recognized by primary geographical market by our reportable business segments and by industry for SCS. Refer to Note 18, "Segment Reporting," for the disaggregation of our revenue by major products/service lines.

Primary Geographical Markets

	Three months ended June 30, 2021
	FMS		SCS		DTS		Eliminations		Total
	(In thousands)
United States	$	1,263,250	$	661,715	$	354,711	$	(148,052)	$	2,131,624
Canada	76,849		58,735		—		(8,293)		127,291
Europe	68,142		—		—		—		68,142
Mexico	—		55,180		—		—		55,180
Total revenues	$	1,408,241	$	775,630	$	354,711	$	(156,345)	$	2,382,237

	Three months ended June 30, 2020
	FMS		SCS		DTS		Eliminations		Total
	(In thousands)
United States	$	1,081,448	$	441,332	$	293,944	$	(112,925)	$	1,703,799
Canada	60,480		40,288		—		(3,232)		97,536
Europe	56,249		—		—		—		56,249
Mexico	—		37,698		—		—		37,698
Total revenues	$	1,198,177	$	519,318	$	293,944	$	(116,157)	$	1,895,282

	Six months ended June 30, 2021
	FMS		SCS		DTS		Eliminations		Total
	(In thousands)
United States	$	2,461,234	$	1,263,013	$	675,218	$	(284,779)	$	4,114,686
Canada	147,262		114,823		—		(12,636)		249,449
Europe	135,230		—		—		—		135,230
Mexico	—		104,494		—		—		104,494
Total revenues	$	2,743,726	$	1,482,330	$	675,218	$	(297,415)	$	4,603,859
	Six months ended June 30, 2020
	FMS		SCS		DTS		Eliminations		Total
	(In thousands)
United States	$	2,278,969	$	963,857	$	628,832	$	(250,220)	$	3,621,438
Canada	131,245		93,840		—		(8,203)		216,882
Europe	128,200		—		—		—		128,200
Mexico	—		90,068		—		—		90,068
Total revenues	$	2,538,414	$	1,147,765	$	628,832	$	(258,423)	$	4,056,588

Schedule of Disaggregation of Revenue

Our SCS business segment included revenue from the below industries:

	Three months ended June 30,				Six months ended June 30,
	2021		2020		2021		2020
	(In thousands)
Automotive	$	307,499	$	147,749	$	579,054	$	397,674
Technology and healthcare	109,950		84,766		207,035		175,899
Consumer packaged goods and retail	286,262		236,499		559,486		466,431
Industrial and other	71,919		50,304		136,755		107,761
Total SCS revenues	$	775,630	$	519,318	$	1,482,330	$	1,147,765

Schedule of Changes in Contract Liability

The following table includes the changes in deferred revenue due to the collection and deferral of cash or the satisfaction of our performance obligation under the contract:

	Six months ended June 30,
	2021		2020
	(In thousands)
Balance as of beginning of period	$	629,739	$	603,687
Recognized as revenue during period from beginning balance	(109,558)		(103,089)
Consideration deferred during period, net	91,456		116,524
Foreign currency translation adjustment and other	1,499		(3,150)
Balance as of end of period	$	613,136	$	613,972