CONSOLIDATED BALANCE SHEETS (USD $) In Thousands, unless otherwise specified	Sep. 26, 2014	Dec. 31, 2013
Current Assets
Cash and cash equivalents	$ 53,549	$ 60,980
Accounts receivable, net of allowance of $435 and $575, respectively	56,673	48,552
Inventories	62,815	58,290
Income taxes receivable	5,251	5,715
Deferred tax assets	8,699	6,351
Prepaid expenses and other current assets	4,392	5,134
Assets of discontinued operations	631	16,088
Total current assets	192,010	201,110
Property, plant and equipment, net	39,634	31,303
Deferred tax assets	438	519
Other assets	14,131	9,426
Intangible assets, net	93,543	65,293
Goodwill	110,783	71,156
Total assets	450,539	378,807
Current Liabilities
Current portion of long-term debt	7,500	7,500
Accounts payable	31,223	24,361
Income taxes payable	2,305	1,018
Deferred tax liabilities	172	214
Accrued expenses and other current liabilities	19,078	22,288
Liabilities of discontinued operations	1,437	6,398
Total current liabilities	61,715	61,779
Long-term debt	114,375	64,000
Deferred tax liabilities	4,636
Income taxes payable	7,484	5,596
Other liabilities	13,551	5,029
Total liabilities	201,761	136,404
Commitments and Contingencies (Note 13)
Stockholders’ Equity:
Common shares, no par value; Authorized shares: unlimited; Issued and outstanding: 34,209 and 33,991, respectively	423,856	423,856
Additional paid-in capital	27,968	25,383
Accumulated deficit	(194,680)	(200,913)
Accumulated other comprehensive loss	(8,795)	(6,342)
Total GSI Group Inc. stockholders’ equity	248,349	241,984
Noncontrolling interest	429	419
Total stockholders’ equity	248,778	242,403
Total liabilities and stockholders’ equity	$ 450,539	$ 378,807