FINANCING RECEIVABLES - Additional Information (Detail)	6 Months Ended
	Jun. 30, 2017
Loans and Leases Receivable Disclosure [Line Items]
Maximum contractual term	3 years
Expected contractual term, less than	1 year
Expiration period of sales type lease	through 2024
Minimum
Loans and Leases Receivable Disclosure [Line Items]
Financial receivable lease term	2 years
Maximum
Loans and Leases Receivable Disclosure [Line Items]
Financial receivable lease term	7 years
Second Generation Meaningful Use Installment Plans
Loans and Leases Receivable Disclosure [Line Items]
Maximum contractual term	3 years
Expected contractual term, less than	1 year
Fixed Periodic Payment Plans | Minimum
Loans and Leases Receivable Disclosure [Line Items]
Current financing receivable terms	3 months
Fixed Periodic Payment Plans | Maximum
Loans and Leases Receivable Disclosure [Line Items]
Current financing receivable terms	12 months