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Equity-Based Compensation (Narrative) (Details) $ / shares in Units, shares in Thousands, $ in Thousands |  |  | 12 Months Ended
--- | --- | --- | ---
Nov. 22, 2016 | Oct. 25, 2016 | Dec. 31, 2016 USD ($) $ / shares shares | Jan. 02, 2016 USD ($) $ / shares | Jan. 03, 2015 USD ($) $ / shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |
Stock split ratio | 2 | 2 |  |  |
Equity-based compensation expense | $ |  |  | $ 16,542 | $ 11,081 | $ 9,805
Equity-based compensation related tax benefit | $ |  |  | $ 5,540 | $ 3,766 | $ 3,308
Weighted-average grant date fair value | $ / shares |  |  | $ 22.99 | $ 23.50 | $ 9.46
Total intrinsic value of stock options and stock-settled stock appreciation rights exercised | $ |  |  | $ 38,198 | $ 41,548 | $ 51,795
Closing price of common stock | $ / shares |  |  | $ 61.20 | $ 63.88 |
Total fair value of equity awards vested | $ |  |  | $ 11,481 | $ 7,184 | $ 7,568
2006 Incentive Stock Plan [Member] |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |
Additional shares authorized |  |  | 0 |  |
Total awards granted |  |  | 13,839 |  |
Awards canceled |  |  | 2,551 |  |
2015 Incentive Stock Plan [Member] |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |
Total shares authorized under the plan |  |  | 10,000 |  |
Total awards granted |  |  | 2,773 |  |
Awards canceled |  |  | 612 |  |
Stock Appreciation Rights (SARs) [Member] | 2006 Incentive Stock Plan [Member] |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |
Total awards granted |  |  | 13,595 |  |
Stock Appreciation Rights (SARs) [Member] | 2015 Incentive Stock Plan [Member] |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |
Total awards granted |  |  | 2,752 |  |
Stock Options [Member] | 2006 Incentive Stock Plan [Member] |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |
Total awards granted |  |  | 15 |  |
Deferred Stock Units [Member] |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |
Stock units nonvested |  |  | 0 |  |
Deferred Stock Units [Member] | 2006 Incentive Stock Plan [Member] |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |
Total awards granted |  |  | 229 |  |
Deferred Stock Units [Member] | 2015 Incentive Stock Plan [Member] |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |
Total awards granted |  |  | 21 |  |
Officers Upon Hire Or Promotion [Member] | 2015 Incentive Stock Plan [Member] |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |
Vesting percentage |  |  | 20.00% |  |
Expiration from grant date |  |  | 5 years 6 months |  |
Officers [Member] | 2015 Incentive Stock Plan [Member] |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |
Post-vesting percentage |  |  | 10.00% |  |
Directors [Member] | 2015 Incentive Stock Plan [Member] |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |
Vesting percentage |  |  | 25.00% |  |
Officers And Employees [Member] | 2015 Incentive Stock Plan [Member] |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |
Vesting percentage |  |  | 50.00% |  |

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