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Business Combinations - Additional Information (Details) - USD ($) |  |  |  |  |  | 1 Months Ended | 10 Months Ended | 12 Months Ended
--- | --- | --- | --- | --- | --- | --- | --- | ---
Dec. 18, 2015 | Nov. 09, 2015 | Feb. 19, 2015 | Mar. 14, 2014 | Jan. 15, 2013 | Dec. 31, 2015 | Sep. 30, 2014 | Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2013
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Future contingent consideration |  |  |  |  |  | $ 3,889,000 |  | $ 3,889,000 |  | $ 3,889,000 |  |  |
Goodwill |  |  |  |  |  | 103,456,000 |  | 103,456,000 | $ 90,746,000 | 103,456,000 | $ 90,746,000 |  |
Payments to acquire businesses net of cash acquired and escrow recovery |  |  |  |  |  |  |  |  |  | 25,987,000 | 88,238,000 | $ 80,773,000 |
Recognized acquisition costs |  |  |  |  |  |  |  |  |  | 1,301,000 | 1,521,000 | 1,630,000 |
Skyetek Inc. |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Total purchase price | $ 2,800,000 |  |  |  |  |  |  |  |  |  |  |  |
Net cash used for acquisition of business | 2,600,000 |  |  |  |  |  |  |  |  |  |  |  |
Future contingent consideration | 200,000 |  |  |  |  | 200,000 |  | 200,000 |  | 200,000 |  |  |
Undiscounted range of outcomes, minimum | 0 |  |  |  |  |  |  |  |  |  |  |  |
Undiscounted range of outcomes, maximum | $ 300,000 |  |  |  |  |  |  |  |  |  |  |  |
Skyetek Inc. | Maximum |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Business combination estimated additional payment |  |  |  |  |  | 100,000 |  | 100,000 |  | 100,000 |  |  |
Lincoln Laser Company |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Total purchase price |  | $ 12,600,000 |  |  |  |  |  |  |  |  |  |  |
Net cash used for acquisition of business |  | 10,300,000 |  |  |  |  |  |  |  |  |  |  |
Future contingent consideration |  | 2,300,000 |  |  |  |  |  |  |  |  |  |  |
Undiscounted range of outcomes, minimum |  | 0 |  |  |  |  |  |  |  |  |  |  |
Undiscounted range of outcomes, maximum |  | $ 6,000,000 |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  | 1,900,000 |  |  |  |  |  |  |
Income (loss) from continuing operations before income taxes |  |  |  |  |  | (300,000) |  |  |  |  |  |  |
Business combination estimated additional cash receipt |  |  |  |  |  | 500,000 |  | 500,000 |  | 500,000 |  |  |
Applimotion Inc. |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Total purchase price |  |  | $ 14,000,000 |  |  |  |  |  |  |  |  |  |
Net cash used for acquisition of business |  |  | 13,000,000 |  |  |  |  |  |  |  |  |  |
Future contingent consideration |  |  | 1,000,000 |  |  |  |  |  |  |  |  |  |
Undiscounted range of outcomes, minimum |  |  | 0 |  |  |  |  |  |  |  |  |  |
Undiscounted range of outcomes, maximum |  |  | $ 4,000,000 |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  | 14,000,000 |  |  |  |  |
Income (loss) from continuing operations before income taxes |  |  |  |  |  |  |  | 1,000,000 |  |  |  |  |
Membership interests acquired |  |  | 100.00% |  |  |  |  |  |  |  |  |  |
Skyetek, Lincoln Laser and Applimotion |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Total purchase price |  |  |  |  |  |  |  |  |  | 29,446,000 |  |  |
Future contingent consideration |  |  |  |  |  | 3,459,000 |  | 3,459,000 |  | 3,459,000 |  |  |
Goodwill |  |  |  |  |  | 12,710,000 |  | 12,710,000 |  | 12,710,000 |  |  |
Intangible assets |  |  |  |  |  | 11,370,000 |  | 11,370,000 |  | 11,370,000 |  |  |
Goodwill and intangible assets expected to be deductible for tax purposes |  |  |  |  |  | $ 10,300,000 |  | $ 10,300,000 |  | 10,300,000 |  |  |
Total purchase price, net of cash acquired |  |  |  |  |  |  |  |  |  | 25,987,000 |  |  |
JADAK Acquisition |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  | 45,400,000 |  |  |  |
Income (loss) from continuing operations before income taxes |  |  |  |  |  |  |  |  | $ (2,700,000) |  |  |  |
Membership interests acquired |  |  |  | 100.00% |  |  |  |  |  |  |  |  |
Goodwill |  |  |  | $ 44,584,000 |  |  |  |  |  |  |  |  |
Intangible assets |  |  |  | 40,250,000 |  |  |  |  |  |  |  |  |
Goodwill and intangible assets expected to be deductible for tax purposes |  |  |  | 61,800,000 |  |  |  |  |  |  |  |  |
Total purchase price, net of cash acquired |  |  |  | $ 93,656,000 |  |  |  |  |  |  |  |  |
JADAK, LLC |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Membership interests acquired |  |  |  | 100.00% |  |  |  |  |  |  |  |  |
JADAK Technologies, Inc |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Membership interests acquired |  |  |  | 100.00% |  |  |  |  |  |  |  |  |
Advanced Data Capture Corporation |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Membership interests acquired |  |  |  | 100.00% |  |  |  |  |  |  |  |  |
NDS Surgical Imaging, LLC |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Membership interests acquired |  |  |  |  | 100.00% |  |  |  |  |  |  |  |
NDS Surgical Imaging KK |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Membership interests acquired |  |  |  |  | 100.00% |  |  |  |  |  |  |  |
NDS Acquisition |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Net cash used for acquisition of business |  |  |  |  | $ 80,800,000 |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  |  |  |  |  | $ 68,400,000
Income (loss) from continuing operations before income taxes |  |  |  |  |  |  |  |  |  |  |  |  | $ (3,400,000)
Goodwill |  |  |  |  | 21,160,000 |  |  |  |  |  |  |  |
Intangible assets |  |  |  |  | 37,817,000 |  |  |  |  |  |  |  |
Escrow after the payments of closing working capital adjustments |  |  |  |  | $ 5,400,000 |  |  |  |  |  |  |  |
Escrow recovery was accounted for as a reduction to goodwill |  |  |  |  |  |  | $ 5,400,000 |  |  |  |  |  |
Remaining escrow amount received |  |  |  |  |  |  | 5,400,000 |  |  |  |  |  |
Payments to acquire businesses net of cash acquired and escrow recovery |  |  |  |  |  |  | $ 75,400,000 |  |  |  |  |  |
Skyetek, Lincoln Laser, Applimotion, JADAK and NDS |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Recognized acquisition costs |  |  |  |  |  |  |  |  |  | $ 900,000 | $ 700,000 | $ 1,500,000 |

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