Consolidated Statements of Income and Comprehensive Income - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Oct. 03, 2015	Sep. 27, 2014	Oct. 03, 2015	Sep. 27, 2014
Consolidated Statements of Income and Comprehensive Income
Net sales	$ 147,560	$ 146,299	$ 452,192	$ 446,421
Cost of sales	85,133	80,334	255,565	245,109
Gross profit	62,427	65,965	196,627	201,312
Selling, general and administrative expense	37,730	39,122	117,029	120,413
Research and development expense	14,232	14,082	44,345	42,538
Loss (gain) on sale or other disposal of assets, net			1,088	(411)
Operating income	10,465	12,761	34,165	38,772
Interest and other expense, net	(1,353)	(958)	(3,320)	(2,592)
Income before income taxes	9,112	11,803	30,845	36,180
Income tax provision	2,009	2,330	9,308	9,769
Net income	7,103	9,473	21,537	26,411
Net income attributable to non-controlling interests		3		103
Net income attributable to Newport Corporation	7,103	9,470	21,537	26,308
Net income	7,103	9,473	21,537	26,411
Other comprehensive income (loss):
Foreign currency translation gains (losses)	673	(7,203)	(5,290)	(7,567)
Unrecognized net pension gains, net of tax	79	204	508	306
Unrealized losses on investments and marketable securities, net of tax	(13)	(155)	(122)	(177)
Other comprehensive income (loss)	739	(7,154)	(4,904)	(7,438)
Comprehensive income	7,842	2,319	16,633	18,973
Comprehensive income (loss) attributable to non-controlling interests		(5)		110
Comprehensive income attributable to Newport Corporation	7,842	2,324	16,633	18,863
Comprehensive income	$ 7,842	$ 2,319	$ 16,633	$ 18,973
Net income per share attributable to Newport Corporation:
Basic (in dollars per share)	$ 0.18	$ 0.24	$ 0.55	$ 0.66
Diluted (in dollars per share)	$ 0.18	$ 0.23	$ 0.54	$ 0.65
Shares used in per share calculations:
Basic (in shares)	38,982	39,921	39,434	39,776
Diluted (in shares)	39,374	40,612	40,066	40,546