XML 26 R37.htm IDEA: XBRL DOCUMENT v3.2.0.727
Summary of Significant Accounting Policies - Reconciliation of Basic and Diluted Net Income Per Share (Detail) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
 3 Months Ended 6 Months Ended
Jul. 04, 2015
Jun. 28, 2014
Jul. 04, 2015
Jun. 28, 2014
Accounting Policies [Abstract]        
Options to purchase of shares of common stock 600 4,100 1,000 3,600
Net income attributable to stockholders of Masimo Corporation:        
Net income including noncontrolling interest $ 18,696 $ 13,952 $ 38,518 $ 36,443
Net loss attributable to the noncontrolling interest 655 (150) 1,356 (9)
Net income attributable to Masimo Corporation stockholders 19,351 13,802 39,874 36,434
Basic net income per share attributable to Masimo Corporation stockholders:        
Net income attributable to Masimo Corporation stockholders $ 19,351 $ 13,802 $ 39,874 $ 36,434
Weighted average shares outstanding - basic (in shares) 51,300 55,876 51,993 56,290
Basic net income per share attributable to Masimo Corporation stockholders (in usd per share) $ 0.38 $ 0.25 $ 0.77 $ 0.65
Diluted net income per share attributable to Masimo Corporation stockholders:        
Weighted average shares outstanding - basic (in shares) 51,300 55,876 51,993 56,290
Diluted share equivalent: stock options (in shares) 2,375 942 1,915 1,113
Weighted average shares outstanding - diluted (in shares) 53,675 56,818 53,908 57,403
Diluted net income per share attributable to Masimo Corporation stockholders (in usd per share) $ 0.36 $ 0.24 $ 0.74 $ 0.63