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Cincinnati Sub-Zero Acquisition - Schedule of Intangible Assets (Detail) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended |  |
--- | --- | --- | --- | ---
Dec. 31, 2016 | Dec. 31, 2016 | Dec. 31, 2017 | Apr. 01, 2016
Finite And Indefinite Lived Intangible Assets [Line Items] |  |  |  |
Gross Value | $ 111,522 | $ 111,522 | $ 160,908 |
Accumulated Amortization | 53,965 | 53,965 | 77,622 |
Total other intangible assets Net | 57,557 | 57,557 | 83,286 |
Customer relationships |  |  |  |
Finite And Indefinite Lived Intangible Assets [Line Items] |  |  |  |
Gross Value | 66,542 | 66,542 | 101,213 |
Technology |  |  |  |
Finite And Indefinite Lived Intangible Assets [Line Items] |  |  |  |
Gross Value | 35,378 | 35,378 | $ 47,641 |
Cincinnati Sub-Zero Products, LLC |  |  |  |
Finite And Indefinite Lived Intangible Assets [Line Items] |  |  |  |
Gross Value | 21,270 | 21,270 |  | $ 21,270
Accumulated Amortization | 325 | 975 |  |
Net Value | 20,295 | 20,295 |  |
Cincinnati Sub-Zero Products, LLC | Trade name |  |  |  |
Finite And Indefinite Lived Intangible Assets [Line Items] |  |  |  |
Net Value | 6,370 | $ 6,370 |  |
Estimated useful life of intangible assets |  | Indefinite |  |
Cincinnati Sub-Zero Products, LLC | Customer relationships |  |  |  |
Finite And Indefinite Lived Intangible Assets [Line Items] |  |  |  |
Gross Value | 11,700 | $ 11,700 |  |
Accumulated Amortization | 585 | 585 |  |
Total other intangible assets Net | 11,115 | $ 11,115 |  |
Estimated useful life of intangible assets |  | 15 years |  |
Cincinnati Sub-Zero Products, LLC | Technology |  |  |  |
Finite And Indefinite Lived Intangible Assets [Line Items] |  |  |  |
Gross Value | 3,200 | $ 3,200 |  |
Accumulated Amortization | 390 | 390 |  |
Total other intangible assets Net | $ 2,810 | $ 2,810 |  |
Cincinnati Sub-Zero Products, LLC | Technology | Minimum |  |  |  |
Finite And Indefinite Lived Intangible Assets [Line Items] |  |  |  |
Estimated useful life of intangible assets |  | 5 years |  |
Cincinnati Sub-Zero Products, LLC | Technology | Maximum |  |  |  |
Finite And Indefinite Lived Intangible Assets [Line Items] |  |  |  |
Estimated useful life of intangible assets |  | 7 years |  |

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