SUBSEQUENT EVENTS - Fair Values of Assets and Liabilties at Acquisition Date (Details) - USD ($) $ in Thousands	Apr. 01, 2020	Mar. 31, 2020	Dec. 31, 2019
Net Assets Acquired
Goodwill		$ 36,095	$ 36,204
Subsequent Event | Scil Animal Care Company
Purchase Price
Total fair value of consideration transferred	$ 111,027
Net Assets Acquired
Current assets, including cash acquired	18,255
Inventories	11,373
Property and equipment	19,373
Other intangible assets	44,267
Deferred tax asset, net	1,013
Investments in unconsolidated affiliates	55
Other non-current assets	1,365
Total assets	95,701
Current Liabilities	16,189
Current portion of deferred revenue, and other	1,035
Deferred revenue, net of current portion	234
Deferred tax liability	13,023
Other liabilities	798
Total fair value of net assets acquired	64,422
Goodwill	46,605
Total fair value of consideration transferred	111,027
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net	$ 111,027