Shareholders' Equity - Activity of Options (Details) shares in Thousands	9 Months Ended
	Sep. 30, 2016 $ / shares shares
Options
Options, Outstanding at beginning of period | shares	20,577
Options, Granted | shares	610
Replacement awards issued in connection with business combination | shares	566
Options, Exercised | shares	(1,664)
Options, Forfeited or expired | shares	(2,836)
Options, Outstanding at end of period | shares	17,253
Options, Exercisable at end of period | shares	16,373
Options, Exercisable and expected to vest at period end | shares	17,207
Wtd. Avg. Exercise Price
Wtd. Avg. Exercise Price, Outstanding at beginning of period | $ / shares	$ 34.89
Wtd. Avg. Exercise Price, Granted | $ / shares	32.10
Wtd. Avg. Exercise Price, Replacement awards issued in connection with business combination | $ / shares	36.12
Wtd. Avg. Exercise Price, Exercised | $ / shares	29.32
Wtd. Avg. Exercise Price, Forfeited or expired | $ / shares	40.62
Wtd. Avg. Exercise Price, Outstanding at end of period | $ / shares	34.43
Wtd. Avg. Exercise Price, Exercisable at end of period | $ / shares	34.43
Wtd. Avg. Exercise Price, Exercisable and expected to vest at end of period | $ / shares	$ 34.43