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Acquisitions and Divestitures - Divestitures (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended 7 Months Ended 8 Months Ended 9 Months Ended 12 Months Ended
Dec. 30, 2016
Oct. 10, 2016
Sep. 09, 2016
Jul. 29, 2016
Jun. 30, 2017
Jun. 30, 2016
Jun. 30, 2017
Jun. 30, 2016
Jul. 29, 2016
Sep. 09, 2016
Oct. 10, 2016
Dec. 31, 2016
Dec. 30, 2016
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]                          
Revenue         $ 573,366 $ 549,696 $ 1,126,918 $ 1,052,268          
Hydra-Stop Product Line | Disposed of by Sale                          
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]                          
Proceeds from sale of business       $ 15,000                  
Gain (loss) on sale of businesses       5,800                  
Additional proceeds from sale of business       $ 2,000                  
Earnings for achievement                       $ 1,000  
Possible earnings for achievement                       $ 1,000  
Revenue                 $ 7,500        
Melles Griot KK Subsidiary | Disposed of by Sale                          
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]                          
Proceeds from sale of business     $ 17,500                    
Gain (loss) on sale of businesses     $ (7,900)                    
Revenue                   $ 13,100      
IETG and 40Seven Subsidiaries | Disposed of by Sale                          
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]                          
Proceeds from sale of business   $ 2,700                      
Gain (loss) on sale of businesses   $ (4,200)                      
Revenue                     $ 8,300    
Korea Electro-Optics Co., Ltd. (CVI Korea) | Disposed of by Sale                          
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]                          
Proceeds from sale of business $ 3,800                        
Gain (loss) on sale of businesses $ (16,000)                        
Revenue                         $ 11,700