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Selected Quarterly Information (Unaudited)

12 Months Ended

Dec. 30, 2017

Quarterly Financial Information Disclosure [Abstract]

Selected Quarterly Information (Unaudited)

13. Selected Quarterly Information (Unaudited)

52-Weeks Ended December 30, 2017

Quarter Ending

April 1

July 1

September 30

December 30

Net sales

$

638,546

$

816,885

$

743,077

$

888,496

Gross profit

372,123

477,858

433,665

499,518

Net income

237,812

170,950

147,413

138,780

Basic net income per share

$

1.26

$

0.91

$

0.79

$

0.74

Diluted net income per share

$

1.26

$

0.91

$

0.78

$

0.73

53-Weeks Ended December 31, 2016

Quarter Ending

March 26

June 25

September 24

December 31

Net sales

$

624,040

$

811,609

$

722,250

$

860,767

Gross profit

339,850

462,958

405,980

470,782

Net income

88,092

161,064

125,054

136,605

Basic net income per share

$

0.46

$

0.85

$

0.66

$

0.73

Diluted net income per share

$

0.46

$

0.85

$

0.66

$

0.72

The above quarterly financial data is unaudited, but in the opinion of management, all adjustments necessary for a fair presentation of the selected data for these interim periods presented have been included. These results are not necessarily indicative of future quarterly results, and the table may not foot due to rounding.