Share-Based Compensation (Details) - USD ($)
$ / shares in Units, $ in Millions |
3 Months Ended |
9 Months Ended |
Oct. 01, 2016 |
Oct. 03, 2015 |
Oct. 01, 2016 |
Oct. 03, 2015 |
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
|
|
|
| Number of shares available for grant (in shares) |
5,500,000
|
|
5,500,000
|
|
| Percentage of premium paid out in deferred company common stock |
|
|
20.00%
|
|
| Non-Vested Stock Awards [Member] |
|
|
|
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
|
|
|
| Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period |
0
|
0
|
300,000
|
200,000
|
| Allocated share-based compensation expense |
$ 2.9
|
$ 3.1
|
$ 7.4
|
$ 10.1
|
| Unrecognized compensation cost |
9.3
|
|
$ 9.3
|
|
| Unrecognized compensation cost, period for recognition |
|
|
1 year 2 months 12 days
|
|
| Performance Shares [Member] |
|
|
|
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
|
|
|
| Allocated share-based compensation expense |
1.4
|
$ 2.0
|
$ 4.4
|
$ 5.2
|
| Unrecognized compensation cost |
$ 3.8
|
|
$ 3.8
|
|
| Unrecognized compensation cost, period for recognition |
|
|
1 year
|
|
| Expected life of award |
|
|
2 years 10 months 24 days
|
2 years 10 months 24 days
|
| Performance Shares [Member] | Certain senior executives [Member] |
|
|
|
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
|
|
|
| Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period |
|
|
100,000
|
100,000
|
| Weighted average price at grant date (in dollars per share) |
$ 38.54
|
$ 56.17
|
$ 38.54
|
$ 56.17
|
| Risk-free interest rate |
|
|
0.80%
|
1.00%
|
| Dividend yield |
|
|
1.00%
|
0.90%
|
| Volatility factor |
|
|
40.80%
|
39.20%
|
| Performance Shares [Member] | Certain officers and certain senior managers [Member] |
|
|
|
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
|
|
|
| Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period |
|
|
37,430
|
22,990
|
| Weighted average price at grant date (in dollars per share) |
$ 37.76
|
$ 52.39
|
$ 37.76
|
$ 52.39
|