XML 51 R33.htm IDEA: XBRL DOCUMENT v3.8.0.1

Goodwill and Intangible Assets (Tables)

3 Months Ended

Mar. 31, 2018

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of goodwill by segment

The following table presents the details of goodwill by segment:

(in thousands)		Market Making				Execution Services				Corporate				Total
Balance as of December 31, 2017		$	755,292			$	89,591			$	—			$	844,883
Goodwill adjustment allocated to BondPoint		—				(8,300		)		—				(8,300		)
Balance as of March 31, 2018		$	755,292			$	81,291			$	—			$	836,583

Schedule of acquired intangible assets

Acquired intangible assets consisted of the following as of March 31, 2018 and December 31, 2017:

		As of March 31, 2018
(in thousands)		Gross Carrying Amount				Accumulated Amortization				Net Carrying Amount				Useful Lives (Years)
Purchased technology		$	110,000			$	110,000			$	—			1.4	to	2.5
ETF issuer relationships		950				585				365					9
ETF buyer relationships		950				586				364					9
Leases		1,800				547				1,253					3
FCC licenses		200				26				174					7
Technology		60,000				15,047				44,953				1	to	6
Customer relationships		49,000				2,843				46,157				12	to	17
Favorable occupancy leases		5,895				612				5,283					7
Exchange memberships		5,838				—				5,838					Indefinite
		$	234,633			$	130,246			$	104,387

		As of December 31, 2017
(in thousands)		Gross Carrying Amount				Accumulated Amortization				Net Carrying Amount				Useful Lives (Years)
Purchased technology		$	110,000			$	110,000			$	—			1.4	to	2.5
ETF issuer relationships		950				559				391					9
ETF buyer relationships		950				560				390					9
Leases		1,800				397				1,403					3
FCC licenses		200				19				181					7
Technology		60,000				9,644				50,356				1	to	6
Customer relationships		49,000				1,822				47,178				12	to	17
Favorable occupancy leases		5,895				408				5,487					7
Exchange memberships		5,838				—				5,838					Indefinite
		$	234,633			$	123,409			$	111,224

X

- References

No definition available.

+ Details

Name:	us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure of the characteristics, including initial carrying value, residual amount, weighted average useful life, of finite-lived intangible assets acquired during the period by major class. A major class is composed of intangible assets that can be grouped together because they are similar, either by nature or by their use in the operations of the company.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275

+ Details

Name:	us-gaap_ScheduleOfAcquiredFiniteLivedIntangibleAssetsByMajorClassTextBlock
Namespace Prefix:	us-gaap_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure of goodwill by reportable segment and in total which includes a rollforward schedule.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13854-109267

+ Details

Name:	us-gaap_ScheduleOfGoodwillTextBlock
Namespace Prefix:	us-gaap_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration