Restructuring - Additional Information (Detail) - Europe Facilities [Member] $ in Thousands	Sep. 30, 2018 USD ($)
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Cost Incurred to Date	$ 113,500
Minimum [Member]
Restructuring Cost and Reserve [Line Items]
Estimated restructuring cost for initiative	121,000
Maximum [Member]
Restructuring Cost and Reserve [Line Items]
Estimated restructuring cost for initiative	125,000
Employee Separation Costs [Member] | Minimum [Member]
Restructuring Cost and Reserve [Line Items]
Estimated restructuring cost for initiative	61,000
Employee Separation Costs [Member] | Maximum [Member]
Restructuring Cost and Reserve [Line Items]
Estimated restructuring cost for initiative	63,000
Other Exit Costs [Member] | Minimum [Member]
Restructuring Cost and Reserve [Line Items]
Estimated restructuring cost for initiative	59,000
Other Exit Costs [Member] | Maximum [Member]
Restructuring Cost and Reserve [Line Items]
Estimated restructuring cost for initiative	61,000
Asset Impairments [Member]
Restructuring Cost and Reserve [Line Items]
Estimated restructuring cost for initiative	$ 500