EQUITY AND STOCK-BASED COMPENSATION - Restricted Stock Share and Restricted Stock Unit Awards (Details) - Restricted stock shares and restricted stock units $ / shares in Units, shares in Thousands, $ in Millions |
9 Months Ended |
|
Oct. 01, 2016
USD ($)
$ / shares
shares
|
| Weighted-Average Grant-Date Fair Value Per Share |
|
| Unrecognized compensation cost | $ |
$ 16.1
|
| Weighted-average period cost expected to be recognized |
1 year 9 months 4 days
|
| SPX |
|
| Unvested Restricted Stock Shares and Restricted Stock Units |
|
| Outstanding at beginning of year (in shares) | shares |
1,128
|
| Granted (in shares) | shares |
731
|
| Vested (in shares) | shares |
(303)
|
| Forfeited and other (in shares) | shares |
(353)
|
| Outstanding at the end of period (in shares) | shares |
1,203
|
| Weighted-Average Grant-Date Fair Value Per Share |
|
| Outstanding at beginning of year (in dollars per share) | $ / shares |
$ 51.13
|
| Granted (in dollars per share) | $ / shares |
27.99
|
| Vested (in dollars per share) | $ / shares |
54.78
|
| Forfeited and other (in dollars per share) | $ / shares |
40.49
|
| Outstanding at the end of period (in dollars per share) | $ / shares |
$ 38.77
|