Corporate Restructuring and Other Organizational Changes - Components of Corporate Restructuring and Other Reorganization Activities from Recent Acquisitions (Detail) - Facility Closures [Member] $ in Thousands	3 Months Ended
Mar. 31, 2018 USD ($)
Restructuring Cost and Reserve [Line Items]
Beginning balance	$ 5,945
Amounts paid during the period	(455)
Foreign currency translation	79
Ending balance	$ 5,569

Corporate Restructuring and Other Organizational Changes - Components of Corporate Restructuring and Other Reorganization Activities from Recent Acquisitions (Detail) - Facility Closures [Member]
$ in Thousands

3 Months Ended

Mar. 31, 2018

USD ($)

Restructuring Cost and Reserve [Line Items]

Beginning balance

$ 5,945

Amounts paid during the period

(455)

Foreign currency translation

Ending balance

$ 5,569