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Earnings Per Share and Equity (Tables)

12 Months Ended

Dec. 31, 2020

Equity [Abstract]

Schedule of Net Income Per Share

Net income per share of common stock attributable to ON Semiconductor Corporation is shown below (in millions, except per share data):

						Year ended December 31,
						2020						2019						2018
Net income attributable to ON Semiconductor Corporation						$	234.2					$	211.7					$	627.4
Basic weighted-average shares of common stock outstanding						410.7						410.9						423.8
Add: Incremental shares for:
Dilutive effect of share-based awards						1.9						1.9						4.3
Dilutive effect of convertible notes and warrants						6.2						3.2						7.8
Diluted weighted average shares of common stock outstanding						418.8						416.0						435.9
Net income per share of common stock attributable to ON Semiconductor Corporation:
Basic						$	0.57					$	0.52					$	1.48
Diluted						$	0.56					$	0.51					$	1.44

Schedule of Share Repurchase Program

Information relating to the Company's 2018 and 2014 Share Repurchase Programs is as follows (in millions, except per share data):

						Year ended December 31,
						2020						2019						2018
Number of repurchased shares (1)						3.6						7.8						16.8
Aggregate purchase price						$	65.3					$	138.9					$	315.0
Fees, commissions and other expenses						0.1						0.1						0.3
Total cash used for share repurchases						$	65.4					$	139.0					$	315.3
Weighted-average purchase price per share (2)						$	18.08					$	17.89					$	18.78
Available under the 2018 Share Repurchase Program						$	1,295.8					$	1,361.1					$	1,500.0

_______________________

(1)    None of these shares had been reissued or retired as of December 31, 2020, but may be reissued or retired later.

(2)    Exclusive of fees, commission or other expenses

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