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Quarterly Data (Unaudited) | 12 Months Ended
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Dec. 30, 2017
Quarterly Financial Information Disclosure [Abstract] |
Quarterly Data (Unaudited) | QUARTERLY DATA (UNAUDITED)
|  | 1 st |  | 2 nd |  | 3 rd |  | 4 th |  | Total Year
|  | (dollars in thousands, except per share data) |  |
2017 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net sales |  | $ | 530,297 |  |  | $ | 579,343 |  |  | $ | 593,043 |  |  | $ | 632,859 |  |  | $ | 2,335,542 |
Gross profit |  | 209,450 |  |  | 234,608 |  |  | 228,519 |  |  | 240,164 |  |  | 912,741 |
Income from operations |  | 101,079 |  |  | 122,136 |  |  | 118,257 |  |  | 68,869 |  |  | 410,341 |
Net earnings |  | $ | 70,702 |  |  | $ | 77,569 |  |  | $ | 74,671 |  |  | $ | 75,186 |  |  | $ | 298,128 |
Basic earnings per share (1) |  | $ | 1.24 |  |  | $ | 1.35 |  |  | $ | 1.31 |  |  | $ | 1.35 |  |  | $ | 5.26 |
Diluted earnings per share (1) |  | $ | 1.24 |  |  | $ | 1.35 |  |  | $ | 1.31 |  |  | $ | 1.35 |  |  | $ | 5.26 |
2016 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net sales |  | $ | 516,355 |  |  | $ | 580,456 |  |  | $ | 574,224 |  |  | $ | 596,817 |  |  | $ | 2,267,852 |
Gross profit |  | 196,773 |  |  | 233,502 |  |  | 231,728 |  |  | 239,177 |  |  | 901,180 |
Income from operations |  | 86,375 |  |  | 111,913 |  |  | 121,439 |  |  | 126,498 |  |  | 446,225 |
Net earnings |  | $ | 54,538 |  |  | $ | 72,891 |  |  | $ | 75,851 |  |  | $ | 80,936 |  |  | $ | 284,216 |
Basic earnings per share (1) |  | $ | 0.96 |  |  | $ | 1.28 |  |  | $ | 1.33 |  |  | $ | 1.42 |  |  | $ | 4.98 |
Diluted earnings per share (1) |  | $ | 0.96 |  |  | $ | 1.28 |  |  | $ | 1.33 |  |  | $ | 1.41 |  |  | $ | 4.98 |
(1) | Sum of quarters may not equal the total for the year due to changes in the number of shares outstanding during the year.

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- References No definition available. + Details
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- Definition The entire disclosure for quarterly financial data. Includes, but is not limited to, tabular presentation of financial information for fiscal quarters, effect of year-end adjustments, and an explanation of matters or transactions that affect comparability of the information. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 270 -URI http://asc.fasb.org/topic&trid=2126967 + Details
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