Description of Business, Basis of Presentation and Summary of Significant Accounting Policies - Additional Information (Detail) - USD ($) $ in Millions	12 Months Ended
	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%