FAIR VALUE MEASUREMENT - Contingent Consideration (Details)	Mar. 28, 2020
Risk-free interest rate | Minimum
FAIR VALUE MEASUREMENT
Contingent consideration liability measurement input	0.09
Risk-free interest rate | Maximum
FAIR VALUE MEASUREMENT
Contingent consideration liability measurement input	1.6
Expected term (years) | Minimum
FAIR VALUE MEASUREMENT
Contingent consideration liability measurement input	0.18
Expected term (years) | Maximum
FAIR VALUE MEASUREMENT
Contingent consideration liability measurement input	2.33