Earnings Per Share (Tables)

12 Months Ended

Dec. 29, 2019

Earnings Per Share [Abstract]

Schedule of Earnings Per Share

(In thousands, except share and per share information)	Year Ended
	December 29, 2019		December 30, 2018		December 31, 2017
Net income attributable to Masonite	$	44,602	$	92,710	$	151,739
Shares used in computing basic earnings per share	25,130,027		27,412,268		29,298,236
Effect of dilutive securities:
Incremental shares issuable under share compensation plans	322,695		452,960		516,423
Shares used in computing diluted earnings per share	25,452,722		27,865,228		29,814,659
Basic earnings per common share attributable to Masonite	$	1.77	$	3.38	$	5.18
Diluted earnings per common share attributable to Masonite	$	1.75	$	3.33	$	5.09
Anti-dilutive instruments excluded from diluted earnings per common share	295,879		120,881		51,129