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Acquisitions - Additional Information (Detail) - USD ($) $ in Thousands | Jan. 03, 2017 | Jan. 31, 2017 | Oct. 31, 2016 | Sep. 01, 2016
--- | --- | --- | --- | ---
Business Acquisition [Line Items] |  |  |  |
Goodwill |  | $ 1,111,573 | $ 1,107,137 |
Advanced Technology Systems [Member] |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Goodwill |  | $ 703,582 | $ 697,346 |
Advanced Technology Systems [Member] | ACE Production Technologies Inc [Member] |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Acquisition of businesses, aggregate purchase price | $ 14,000 |  |  |
Goodwill | 6,622 |  |  |
Identifiable intangible assets | 5,010 |  |  |
Advanced Technology Systems [Member] | ACE Production Technologies Inc [Member] | Customer Relationships [Member] |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Identifiable intangible assets | $ 2,800 |  |  |
Intangible assets amortization period | 7 years |  |  |
Advanced Technology Systems [Member] | ACE Production Technologies Inc [Member] | Trade Names [Member] |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Identifiable intangible assets | $ 1,000 |  |  |
Intangible assets amortization period | 11 years |  |  |
Advanced Technology Systems [Member] | ACE Production Technologies Inc [Member] | Technology-Based Intangible Assets [Member] |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Identifiable intangible assets | $ 1,100 |  |  |
Intangible assets amortization period | 7 years |  |  |
Advanced Technology Systems [Member] | ACE Production Technologies Inc [Member] | Non-compete Agreements [Member] |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Identifiable intangible assets | $ 110 |  |  |
Intangible assets amortization period | 3 years |  |  |
Advanced Technology Systems [Member] | LinkTech Quick Couplings Inc [Member] |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Acquired percent of the outstanding shares |  |  |  | 100.00%

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