Share-based Compensation (Tables)

9 Months Ended

Sep. 30, 2018

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Summary of stock-based compensation

A summary of our aggregate share-based compensation expense is set forth below: 

	Three months ended September 30,					Nine months ended September 30,
	2018		2017			2018		2017
	in millions
Liberty Global:
Performance-based incentive awards (a)	$	9.3	$	(6.1	)	$	26.0	$	13.7
Non-performance based share-based incentive awards	18.3		22.4			64.6		68.7
Other (b)	8.9		—			29.4		—
Total Liberty Global	36.5		16.3			120.0		82.4
Other	6.3		5.2			11.0		19.4
Total	$	42.8	$	21.5		$	131.0	$	101.8
Included in:
Other operating expense	$	1.2	$	1.0		$	2.2	$	2.9
SG&A expense	41.6		20.5			128.8		98.9
Total	$	42.8	$	21.5		$	131.0	$	101.8

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(a) Includes share-based compensation expense related to (i) performance-based restricted share units (PSUs) and (ii) through March 31, 2017, performance grant units (PGUs) held by our Chief Executive Officer.

(b) Represents annual incentive compensation and defined contribution plan liabilities that have been or are expected to be settled with Liberty Global ordinary shares. In the case of the annual incentive compensation, shares will be issued to senior management and key employees pursuant to a shareholding incentive program that was implemented in 2018. The shareholding incentive program allows these employees to elect to receive up to 100% of their annual incentive compensation in ordinary shares of Liberty Global in lieu of cash.

Schedule of stock option activity

The following table provides the aggregate number of options and share appreciation rights (SARs) with respect to awards issued by Liberty Global that were (i) outstanding and (ii) exercisable as of September 30, 2018:

	Class A			Class C
	Number of shares underlying awards	Weighted Average exercise or base price		Number of shares underlying awards	Weighted Average exercise or base price
Held by Liberty Global employees:
Outstanding	16,021,880	$	32.23	37,027,043	$	30.32
Exercisable	9,579,098	$	32.04	23,213,374	$	29.80
Held by former Liberty Global employees:
Outstanding	1,220,423	$	32.81	2,861,651	$	30.62
Exercisable	997,219	$	32.17	2,414,209	$	29.88

Schedule of other share based compensation activity

The following table provides the aggregate number of restricted share units (RSUs) and PSUs that were outstanding as of September 30, 2018:

	Class A	Class C
Held by Liberty Global employees:
RSUs	664,539	1,336,706
PSUs (a)	1,750,794	3,506,744
Held by former Liberty Global employees:
RSUs	12,481	25,000
PSUs	177,505	355,419

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(a)

Amounts do not include the 2018 PSUs, as defined and described below.