Net Income per Share (Tables)

9 Months Ended

Sep. 30, 2017

Earnings Per Share [Abstract]

Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]

The following table presents the computation of net income per share on a basic and diluted basis (shares in thousands):

	Quarter Ended				Nine Months Ended
	September 30, 2017		October 1, 2016		September 30, 2017		October 1, 2016
Net income attributable to shareholders	$	134,630	$	117,727	$	348,077	$	358,232
Weighted-average shares outstanding - basic	88,453		90,937		88,870		91,412
Net effect of various dilutive stock-based compensation awards	1,087		1,001		1,066		1,075
Weighted-average shares outstanding - diluted	89,540		91,938		89,936		92,487
Net income per share:
Basic	$	1.52	$	1.29	$	3.92	$	3.92
Diluted (a)	$	1.50	$	1.28	$	3.87	$	3.87

(a) Stock-based compensation awards for the issuance of 396 and 363 shares for the third quarter and first nine months of 2017 and 824 and 821 shares for the third quarter and first nine months2016, respectively, were excluded from the computation of net income per share on a diluted basis as their effect was anti-dilutive.