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Fair Value Measurements and Disclosures - Textual (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 24, 2016 | Sep. 26, 2015 | Sep. 24, 2016 | Sep. 26, 2015 | Dec. 26, 2015
Forward Foreign Currency Contracts [Member] |  |  |  |  |
Fair Value Measurements and Disclosures (Textual) [Abstract] |  |  |  |  |
Derivative term |  |  | 30 days |  |
Forward Foreign Currency Contracts [Member] | Other Income (Expense), Net [Member] |  |  |  |  |
Fair Value Measurements and Disclosures (Textual) [Abstract] |  |  |  |  |
Gain (loss) on settlement of derivatives | $ 0.1 | $ (0.3) | $ (1.2) | $ (0.3) |
Fair Value, Measurements, Recurring [Member] | Zygo Corporation [Member] |  |  |  |  |
Fair Value Measurements and Disclosures (Textual) [Abstract] |  |  |  |  |
Liabilities resulting from the acquisition of certain assets from acquisitions, measured at fair value | 1.3 |  | 1.3 |  | $ 1.5
Current liability at fair value | 0.8 |  | 0.8 |  | 0.9
Long-term liability at fair value | $ 0.5 |  | $ 0.5 |  | $ 0.6

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- Definition Fair value measurements and disclosures. + References No definition available. + Details
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- Definition Amount of liabilities due within one year or within the normal operating cycle, if longer, assumed at the acquisition date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=73530397&loc=d3e4845-128472 + Details
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- Definition Amount of liabilities assumed at the acquisition date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=73530397&loc=d3e4845-128472 + Details
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- Definition Amount of liabilities due after one year or the normal operating cycle, if longer, assumed at the acquisition date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=73530397&loc=d3e4845-128472 + Details
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- Definition The difference between the book value and the sale price of options, swaps, futures, forward contracts, and other derivative instruments. This element refers to the gain (loss) included in earnings. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04.13(h)) -URI http://asc.fasb.org/extlink&oid=6879574&loc=d3e536633-122882 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3602-108585 + Details
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