REVENUE

Disaggregation of Revenue

The following tables disaggregate our revenue by primary geographical market, major product/service lines, and industry:

Primary Geographical Markets



	Three months ended March 31, 2018
	FMS		DTS	SCS	Eliminations		Total
	(In thousands)
United States	$	1,080,455	298,970	391,653	(127,717	)	1,643,361
Canada	74,468		—	43,093	(5,072	)	112,489
Europe	87,656		—	—	—		87,656
Mexico	—		—	54,262	—		54,262
Singapore	—		—	5,699	—		5,699
Total revenue	$	1,242,579	298,970	494,707	(132,789	)	1,903,467



	Three months ended March 31, 2017
	FMS		DTS	SCS	Eliminations		Total
	(In thousands)
United States	$	990,261	266,630	358,347	(109,582	)	1,505,656
Canada	65,822		—	40,845	(4,148	)	102,519
Europe	76,387		—	—	—		76,387
Mexico	—		—	45,041	—		45,041
Singapore	—		—	7,380	—		7,380
Total revenue	$	1,132,470	266,630	451,613	(113,730	)	1,736,983

Major Products/Service Lines



	Three months ended March 31, 2018
	FMS		DTS	SCS	Eliminations		Total
	(In thousands)
ChoiceLease	$	690,431	—	—	(60,644	)	629,787
SelectCare	121,873		—	—	(9,345	)	112,528
Commercial rental	204,530		—	—	(10,064	)	194,466
Fuel	203,807		—	—	(52,736	)	151,071
Other	21,938		—	—	—		21,938
DTS	—		298,970	—	—		298,970
SCS	—		—	494,707	—		494,707
Total revenue	$	1,242,579	298,970	494,707	(132,789	)	1,903,467



	Three months ended March 31, 2017
	FMS		DTS	SCS	Eliminations		Total
	(In thousands)
ChoiceLease	$	656,312	—	—	(54,217	)	602,095
SelectCare	113,609		—	—	(9,452	)	104,157
Commercial rental	174,006		—	—	(8,511	)	165,495
Fuel	170,254		—	—	(41,550	)	128,704
Other	18,289		—	—	—		18,289
DTS	—		266,630	—	—		266,630
SCS	—		—	451,613	—		451,613
Total revenue	$	1,132,470	266,630	451,613	(113,730	)	1,736,983

Industry

Our SCS business segment includes revenue from the below industries:



	Three months ended March 31,
	2018		2017
	(In thousands)
Automotive	$	207,792	196,441
Technology and healthcare	103,097		82,658
CPG and retail	135,358		118,949
Industrial and other	48,460		53,565
Total revenue	$	494,707	451,613

Contract Balances

We record a receivable related to revenue recognized when we have an unconditional right to invoice. There were no material contract assets as of March 31, 2018 or December 31, 2017. Trade receivables were $882 million and $899 million at March 31, 2018 and December 31, 2017, respectively. Impairment losses on receivables were not material during the first quarters of 2018 and 2017.

Contract liabilities relate to payments received in advance of performance under the contract. Changes in contract liabilities are due to our performance under the contract. The following table presents changes in contract liabilities for the three months ended March 31, 2018:



	2018
	(In thousands)
Balance at January 1	$	14,004
Deferral of revenue	67,401
Recognition of deferred revenue	(64,005		)
Balance at March 31	$	17,400