Organization (Details) £ / shares in Units, $ / shares in Units, £ in Millions, $ in Millions	1 Months Ended
	Jun. 15, 2015 USD ($)	Jun. 15, 2015 GBP (£) £ / shares	Apr. 20, 2015 $ / shares	Apr. 20, 2015 £ / shares
Pending Pace Acquisition
Business Acquisition [Line Items]
Shareholding ownership percentage post business combination	24.00%	24.00%
Shareholding ownership value	$ 665.5	£ 438.4
Pending Pace Acquisition | Ordinary Shares
Business Acquisition [Line Items]
Cash consideration for each Pace ordinary share		£ 1.325
Shares consideration for each ordinary share	0.1455	0.1455
ARRIS
Business Acquisition [Line Items]
Cash consideration for each Pace ordinary share | (per share)			$ 1.49	£ 1
Shareholding ownership percentage post business combination	76.00%	76.00%
ARRIS | Ordinary Shares
Business Acquisition [Line Items]
Shares consideration for each ordinary share	1	1