STOCK BASED COMPENSATION - Option Activity (Details) $ / shares in Thousands, shares in Millions, $ in Millions	6 Months Ended
	Jul. 01, 2016 USD ($) $ / shares shares
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Options outstanding, beginning of period (in shares) | shares	5.8
Options granted (in shares) | shares	1.4
Options exercised (in shares) | shares	(1.3)
Options canceled/forfeited (in shares) | shares	(0.6)
Options outstanding, end of period (in shares) | shares	5.3
Options outstanding, beginning of period (in dollars per share) | $ / shares	$ 0
Options granted (in dollars per share) | $ / shares	0
Options exercised (in dollars per share) | $ / shares	0
Options canceled/forfeited (in dollars per share) | $ / shares	0
Options outstanding, end of period (in dollars per share) | $ / shares	$ 0
Options vested and expected to vest (in shares) | shares	5.1
Options vested (in shares) | shares	2.1
Options vested and expected to vest (in dollars per share) | $ / shares	$ 0
Options vested (in dollars per share) | $ / shares	$ 0
Weighted average remaining contractual term, outstanding	7 years
Weighted average remaining contractual term, vested and expected to vest	7 years
Weighted average remaining contractual term, vested	4 years
Aggregate intrinsic value, outstanding | $	$ 188.4
Aggregate intrinsic value, vested and expected to vest | $	184.3
Aggregate intrinsic value, vested | $	$ 114.5