Costs Associated with Exit or Disposal Activities - Summary of Accrued Liability and Related Charges (Detail) - Americas [Member] - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
2018 Exit Plan [Member]
Restructuring Reserve [Roll Forward]
Balance at the beginning of the period	$ 87	$ 2,586
Cash payments	(19)	(606)
Balance sheet reclassifications		(1,338)
Balance at the end of the period	68	657
2018 Exit Plan [Member] | General and Administrative [Member]
Restructuring Reserve [Roll Forward]
Restructuring charges (reversals)		15
2018 Exit Plan [Member] | Lease Obligations and Facility Exit Costs [Member]
Restructuring Reserve [Roll Forward]
Balance at the beginning of the period	81	1,769
Cash payments	(13)	(265)
Balance sheet reclassifications		(1,338)
Balance at the end of the period	68	162
2018 Exit Plan [Member] | Lease Obligations and Facility Exit Costs [Member] | General and Administrative [Member]
Restructuring Reserve [Roll Forward]
Restructuring charges (reversals)		(4)
2018 Exit Plan [Member] | Severance and Related Costs [Member]
Restructuring Reserve [Roll Forward]
Balance at the beginning of the period	6	817
Cash payments	(6)	(341)
Balance at the end of the period		495
2018 Exit Plan [Member] | Severance and Related Costs [Member] | General and Administrative [Member]
Restructuring Reserve [Roll Forward]
Restructuring charges (reversals)		19
2019 Exit Plan [Member]
Restructuring Reserve [Roll Forward]
Balance at the beginning of the period	481	0
Cash payments	(333)	(57)
Balance at the end of the period	146	1,040
2019 Exit Plan [Member] | Direct Salaries and Related Costs [Member]
Restructuring Reserve [Roll Forward]
Restructuring charges (reversals)		7
2019 Exit Plan [Member] | General and Administrative [Member]
Restructuring Reserve [Roll Forward]
Restructuring charges (reversals)	(2)	1,090
2019 Exit Plan [Member] | Severance and Related Costs [Member]
Restructuring Reserve [Roll Forward]
Balance at the beginning of the period	481	0
Cash payments	(333)	(57)
Balance at the end of the period	146	1,040
2019 Exit Plan [Member] | Severance and Related Costs [Member] | Direct Salaries and Related Costs [Member]
Restructuring Reserve [Roll Forward]
Restructuring charges (reversals)		7
2019 Exit Plan [Member] | Severance and Related Costs [Member] | General and Administrative [Member]
Restructuring Reserve [Roll Forward]
Restructuring charges (reversals)	$ (2)	$ 1,090