ACQUISITION OF FEMTOLASERS (Details 2) - USD ($) $ in Thousands	Oct. 03, 2015	Jan. 03, 2015
Purchase price, assets acquired and liabilities assumed
Goodwill	$ 103,854	$ 97,524
FEMTOLASERS
Purchase price, assets acquired and liabilities assumed
Cash	78
Accounts receivable	1,968
Inventories	2,759
Deferred tax assets	1,019
Other assets	2,015
Goodwill	6,681
Accounts payable	(3,417)
Debt	(4,021)
Deferred tax liabilities	(1,019)
Other liabilities	(2,195)
Assets acquired and liabilities assumed, total	7,943
FEMTOLASERS | Developed technology
Purchase price, assets acquired and liabilities assumed
Intangible assets	1,811
FEMTOLASERS | In-process research and development
Purchase price, assets acquired and liabilities assumed
Intangible assets	1,721
FEMTOLASERS | Other intangible assets
Purchase price, assets acquired and liabilities assumed
Intangible assets	$ 543