Consolidated Statements of Stockholders' Equity - USD ($) $ in Thousands		Total	Common Stock	Ordinary Shares	Capital in Excess of Par Value	Treasury Stock	Retained Earnings (Deficit)	Accumulated Other Comprehensive Income (Loss)	Total ARRIS International plc stockholders' equity	Non-controlling Interest
Balance at Dec. 31, 2014		$ 1,690,761	$ 1,796		$ 1,739,700	$ (306,330)	$ 266,642	$ (11,047)	$ 1,690,761
Net income (loss)		84,459					92,181		92,181	$ (7,722)
Other comprehensive income (loss), net of tax		(1,624)						(1,599)	(1,599)	(25)
Contribution from noncontrolling interest		54,794								54,794
Compensation under stock award plans		64,218			64,218				64,218
Issuance of ordinary shares and other, net		(30,578)	(6)		(30,572)				(30,578)
Repurchase of ordinary shares, net		(24,999)				(24,999)			(24,999)
Income tax benefit related to exercise of stock options		3,930			3,930				3,930
Balance at Dec. 31, 2015		1,840,961	1,790		1,777,276	(331,329)	358,823	(12,646)	1,793,914	47,047
Net income (loss)		8,961					18,100		18,100	(9,139)
Other comprehensive income (loss), net of tax		15,950						15,937	15,937	13
Compensation under stock award plans		60,049			60,049				60,049
Effect of combination on ARRIS Group			(1,439)	$ 2,173	(734)
Cancellation of treasury stock			$ (351)			$ 331,329	(330,978)
Issuance of ordinary shares for Pace combination		1,434,690		703	1,433,987				1,434,690
Issuance of ordinary shares and other, net		(2,210)		32	(2,242)				(2,210)
Provision for warrants		30,159			30,159				30,159
Repurchase of ordinary shares, net		(178,035)		(77)			(177,958)		(178,035)
Income tax benefit related to exercise of stock options		18,929			18,929				18,929
Other		(2,717)			(2,717)				(2,717)
Balance at Dec. 31, 2016		3,226,737		2,831	3,314,707		(132,013)	3,291	3,188,816	37,921
Net income (loss)		66,124					92,027		92,027	(25,903)
Other comprehensive income (loss), net of tax		1,210						1,261	1,261	(51)
Contribution from noncontrolling interest		3,500								3,500
Compensation under stock award plans		81,557			81,557				81,557
Issuance of ordinary shares and other, net		(9,103)		33	(9,136)				(9,103)
Repurchase of ordinary shares, net		(196,965)		(96)			(196,869)		(196,965)
Cumulative effect adjustment to opening balance	[1]	10,974					10,974		10,974
Balance at Dec. 31, 2017		$ 3,184,034		$ 2,768	$ 3,387,128		$ (225,881)	$ 4,552	$ 3,168,567	$ 15,467

[1] Cumulative adjustment related to the adoption of accounting standards, see Note 3 Impact of Recently Adopted Accounting Standards of Notes to the Consolidated Financial Statements for additional information.