Shareholders' Equity (Tables)

6 Months Ended

Jun. 30, 2016

Stockholders' Equity Note [Abstract]

Issued share capital

The issued share capital consists of the following:

	June 30, 2016		December 31, 2015
Common shares issued and fully paid, 2016 and 2015: CHF 4.10 per share	93,586,418		95,523,230
Share capital at end of period	$	366.7	$	386.7

Schedule of common stock outstanding roll forward

	Six Months Ended June 30, 2016
Shares issued at beginning of period	95,523,230
Shares canceled	(1,936,812	)
Total shares issued at end of period	93,586,418
Treasury shares issued at beginning of period	4,563,595
Shares repurchased	3,952,243
Shares issued out of treasury	(456,558	)
Shares canceled	(1,936,812	)
Total treasury shares at end of period	6,122,468
Total shares outstanding at end of period	87,463,950

Dividends paid

The Company paid the following dividends during the six months ended June 30, 2016:

Dividend Paid	Dividend Per Share		Total Amount Paid
June 30, 2016	$	0.260	$	22.8
March 31, 2016	$	0.260	$	23.4

Share repurchases

The Company’s share repurchases were as follows:

	Three Months Ended   June 30,				Six Months Ended   June 30,
	2016		2015		2016		2015
Common shares repurchased	2,491,355		4,776,224		3,952,243		6,047,437
Total cost of shares repurchased	$	90.0	$	194.4	$	140.0	$	245.3
Average price per share	$	36.12	$	40.69	$	35.42	$	40.56