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Description of Business, Basis of Presentation and Summary of Significant Accounting Policies - Additional Information (Detail) - USD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
Organization And Summary Of Significant Accounting Policies [Line Items] |  |  |
Measurement period used to determine the long term expected return plan assets | 5 years |  |
LIFO inventory, percentage of total | 12.10% | 12.90% |
LIFO inventory reserve amount recorded | $ 9.6 | $ 8.1 |
Maturities of time deposits, description | original maturity exceeding three months at the time of purchase, referred to as short-term time deposits, are classified as held-to-maturity and are recorded at amortized cost, which approximates fair value. |  |
Short-term investments | $ 0.0 | 0.0 |
Investments in Corporate Owned Life Insurance | 101.0 | 96.5 |
Gain from Corporate Owned Life Insurance | 3.8 | 3.0 | $ 3.6
Deferred Compensation Liability, Current and Noncurrent | $ 12.5 | 12.6 |
Acquisition measurement period | 12 months |  |
Foreign Currency Transaction Gain (Loss), before Tax | $ (12.4) | $ (1.0) | $ 2.8
Minimum [Member] | Building and improvements [Member] |  |  |
Organization And Summary Of Significant Accounting Policies [Line Items] |  |  |
Plant, property and equipment estimated useful life | 5 years |  |
Minimum [Member] | Machinery and equipment [Member] |  |  |
Organization And Summary Of Significant Accounting Policies [Line Items] |  |  |
Plant, property and equipment estimated useful life | 2 years |  |
Minimum [Member] | Furniture and office equipment [Member] |  |  |
Organization And Summary Of Significant Accounting Policies [Line Items] |  |  |
Plant, property and equipment estimated useful life | 3 years |  |
Minimum [Member] | Software [Member] |  |  |
Organization And Summary Of Significant Accounting Policies [Line Items] |  |  |
Plant, property and equipment estimated useful life | 3 years |  |
Minimum [Member] | Intangible assets with a finite life amortized on a straight-line basis [Member] |  |  |
Organization And Summary Of Significant Accounting Policies [Line Items] |  |  |
Finite-Lived Intangible Asset, Useful Life | 10 years |  |
Maximum [Member] | Building and improvements [Member] |  |  |
Organization And Summary Of Significant Accounting Policies [Line Items] |  |  |
Plant, property and equipment estimated useful life | 40 years |  |
Maximum [Member] | Machinery and equipment [Member] |  |  |
Organization And Summary Of Significant Accounting Policies [Line Items] |  |  |
Plant, property and equipment estimated useful life | 10 years |  |
Maximum [Member] | Furniture and office equipment [Member] |  |  |
Organization And Summary Of Significant Accounting Policies [Line Items] |  |  |
Plant, property and equipment estimated useful life | 7 years |  |
Maximum [Member] | Software [Member] |  |  |
Organization And Summary Of Significant Accounting Policies [Line Items] |  |  |
Plant, property and equipment estimated useful life | 7 years |  |
Maximum [Member] | Intangible assets with a finite life amortized on a straight-line basis [Member] |  |  |
Organization And Summary Of Significant Accounting Policies [Line Items] |  |  |
Finite-Lived Intangible Asset, Useful Life | 20 years |  |
Customer Concentration Risk [Member] | Accounts Receivable [Member] |  |  |
Organization And Summary Of Significant Accounting Policies [Line Items] |  |  |
Concentration Risk, Percentage | 11.00% | 12.00% |

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