The following tables represent a disaggregation of revenue from contracts with customers for the three months ended March 31, 2018 and 2017 by type of service and/or region (dollars in thousands):

	Three Months Ended March 31, 2018
	Americas		EMEA		APAC		Global Investment Management		Development Services		Consolidated
Topic 606 Revenue:
Occupier outsourcing	$	1,794,147	$	893,817	$	266,115	$	—	$	—	$	2,954,079
Leasing		400,198		100,589		71,579		—		120		572,486
Sales		267,675		78,240		59,235		—		418		405,568
Property management		173,828		58,211		70,030		—		1,555		303,624
Valuation		59,066		41,063		26,089		—		—		126,218
Commercial mortgage origination (1)		21,827		1,223		51		—		—		23,101
Investment management		—		—		—		123,690		—		123,690
Development services		—		—		—		—		21,232		21,232
Topic 606 Revenue		2,716,741		1,173,143		493,099		123,690		23,325		4,529,998
Out of Scope of Topic 606 Revenue:
Commercial mortgage origination		84,193		—		—		—		—		84,193
Loan servicing		39,526		2,288		—		—		—		41,814
Other revenue		9,764		5,823		2,360		—		—		17,947
Total Out of Scope of Topic 606 Revenue		133,483		8,111		2,360		—		—		143,954
Total revenue	$	2,850,224	$	1,181,254	$	495,459	$	123,690	$	23,325	$	4,673,952

	Three Months Ended March 31, 2017 (As Adjusted) (2)
	Americas		EMEA		APAC		Global Investment Management		Development Services		Consolidated
Topic 606 Revenue:
Occupier outsourcing	$	1,664,354	$	666,694	$	206,425	$	—	$	—	$	2,537,473
Leasing		393,865		74,931		60,528		—		154		529,478
Sales		233,796		67,300		52,168		—		530		353,794
Property management		161,397		54,740		54,679		—		1,910		272,726
Valuation		57,181		32,509		26,765		—		—		116,455
Commercial mortgage origination (1)		19,818		1,820		539		—		—		22,177
Investment management		—		—		—		89,566		—		89,566
Development services		—		—		—		—		11,623		11,623
Topic 606 Revenue		2,530,411		897,994		401,104		89,566		14,217		3,933,292
Out of Scope of Topic 606 Revenue:
Commercial mortgage origination		62,547		—		—		—		—		62,547
Loan servicing		33,534		2,876		—		—		—		36,410
Other revenue		12,714		3,761		2,242		—		—		18,717
Total Out of Scope of Topic 606 Revenue		108,795		6,637		2,242		—		—		117,674
Total revenue	$	2,639,206	$	904,631	$	403,346	$	89,566	$	14,217	$	4,050,966

(1)	We earn fees for arranging financing for borrowers with third-party lender contacts. Such fees are in scope of Topic 606.

(2)	In the first quarter of 2018, we adopted new revenue recognition guidance. Certain restatements have been made to the 2017 financial statements to conform with the 2018 presentation. See Notes 2 and 3 for more information.