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Stockholders' Equity (Details) - USD ($) $ / shares in Units, $ in Millions | 3 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Dec. 31, 2017 | Oct. 01, 2017 | Jul. 02, 2017 | Apr. 02, 2017 | Dec. 31, 2016 | Oct. 02, 2016 | Jul. 03, 2016 | Apr. 03, 2016 | Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015 | Jan. 31, 2018
Capital Stock [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Common stock, shares authorized (in shares) | 100,000,000 |  |  |  | 100,000,000 |  |  |  | 100,000,000 | 100,000,000 |  |
Common stock, par value (in dollars per share) | $ 0.10 |  |  |  | $ 0.10 |  |  |  | $ 0.10 | $ 0.10 |  |
Common stock, shares outstanding (in shares) | 35,374,345 |  |  |  | 34,969,987 |  |  |  | 35,374,345 | 34,969,987 |  |
Preferred stock, shares authorized (in shares) | 1,000,000 |  |  |  | 1,000,000 |  |  |  | 1,000,000 | 1,000,000 |  |
Preferred stock, shares issued (in shares) | 0 |  |  |  | 0 |  |  |  | 0 | 0 |  |
Preferred stock, shares outstanding (in shares) | 0 |  |  |  | 0 |  |  |  | 0 | 0 |  |
Cash Dividends [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Cash dividends paid |  |  |  |  |  |  |  |  | $ 7.0 |  |  |
Cash dividends paid (in dollars per share) | $ 0.05 | $ 0.05 | $ 0.05 | $ 0.05 | $ 0.05 | $ 0.05 | $ 0.05 | $ 0.05 | $ 0.20 |  |  |
Stock Award and Incentive Plan [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Term of stock options granted under Plan |  |  |  |  |  |  |  |  | 10 years |  |  |
Vesting period, generally, for stock options granted under the plan |  |  |  |  |  |  |  |  | 3 years |  |  |
Shares Available for Grant [Roll Forward] |  |  |  |  |  |  |  |  |  |  |  |
Balance, beginning of year (in shares) |  |  |  | 1,202,426 |  |  |  | 1,491,965 | 1,202,426 | 1,491,965 | 996,127 |
Authorized (in shares) |  |  |  |  |  |  |  |  |  |  | 880,000 |
Granted (in shares) |  |  |  |  |  |  |  |  | (257,072) | (538,787) | (455,275) |
Exercised/vested (in shares) |  |  |  |  |  |  |  |  | 0 | 0 | 0 |
Canceled (in shares) |  |  |  |  |  |  |  |  | 91,151 | 249,248 | 71,113 |
Balance, end of year (in shares) | 1,036,505 |  |  |  | 1,202,426 |  |  |  | 1,036,505 | 1,202,426 | 1,491,965 |
Subsequent Event [Member] | Dividend Declared 2018 Q1 [Member] |  |  |  |  |  |  |  |  |  |  |  |
Cash Dividends [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Cash dividend declared |  |  |  |  |  |  |  |  |  |  |  | $ 1.7
Cash dividend declared (in dollars per share) |  |  |  |  |  |  |  |  |  |  |  | $ 0.05
Stock Options [Member] |  |  |  |  |  |  |  |  |  |  |  |
Stock Options [Roll Forward] |  |  |  |  |  |  |  |  |  |  |  |
Balance, beginning of year (in shares) |  |  |  | 1,198,725 |  |  |  | 1,091,844 | 1,198,725 | 1,091,844 | 951,079 |
Granted (in shares) |  |  |  |  |  |  |  |  | 187,533 | 383,622 | 238,773 |
Exercised/vested (in shares) |  |  |  |  |  |  |  |  | (353,636) | (150,944) | (74,839) |
Canceled (in shares) |  |  |  |  |  |  |  |  | (35,783) | (125,797) | (23,169) |
Balance, end of year (in shares) | 996,839 |  |  |  | 1,198,725 |  |  |  | 996,839 | 1,198,725 | 1,091,844 |
Weighted Average Exercise Price Per Share [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Balance, beginning of year (in dollars per share) |  |  |  | $ 41.66 |  |  |  | $ 42.29 | $ 41.66 | $ 42.29 | $ 37.46 |
Granted (in dollars per share) |  |  |  |  |  |  |  |  | 77.99 | 38.59 | 60.40 |
Exercised/vested (in dollars per share) |  |  |  |  |  |  |  |  | 41.56 | 36.66 | 33.12 |
Canceled (in dollars per share) |  |  |  |  |  |  |  |  | 50.47 | 43.78 | 60.22 |
Balance, end of year (in dollars per share) | $ 48.21 |  |  |  | $ 41.66 |  |  |  | $ 48.21 | $ 41.66 | $ 42.29 |
Restricted Stock [Member] |  |  |  |  |  |  |  |  |  |  |  |
Restricted Stock [Roll Forward] |  |  |  |  |  |  |  |  |  |  |  |
Balance, beginning of year (in shares) |  |  |  | 227,213 |  |  |  | 284,245 | 227,213 | 284,245 | 175,488 |
Granted (in shares) |  |  |  |  |  |  |  |  | 69,539 | 155,165 | 216,502 |
Exercised/vested (in shares) |  |  |  |  |  |  |  |  | (61,274) | (88,746) | (59,801) |
Canceled (in shares) |  |  |  |  |  |  |  |  | (55,368) | (123,451) | (47,944) |
Balance, end of year (in shares) | 180,110 |  |  |  | 227,213 |  |  |  | 180,110 | 227,213 | 284,245 |
Weighted Average Exercise Price Per Share [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Balance, beginning of year (in dollars per share) |  |  |  | $ 49.57 |  |  |  | $ 58.63 | $ 49.57 | $ 58.63 | $ 50.56 |
Granted (in dollars per share) |  |  |  |  |  |  |  |  | 78.00 | 38.37 | 60.32 |
Exercised/vested (in dollars per share) |  |  |  |  |  |  |  |  | 52.51 | 57.38 | 47.51 |
Canceled (in dollars per share) |  |  |  |  |  |  |  |  | 52.74 | 50.72 | 51.43 |
Balance, end of year (in dollars per share) | $ 58.57 |  |  |  | $ 49.57 |  |  |  | $ 58.57 | $ 49.57 | $ 58.63 |

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