Property, Plant and Equipment - Summary of Assets Held Under Lease (Detail) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Property Plant And Equipment [Line Items]
Capital and financial lease obligation	$ 282,161	$ 322,545
Land
Property Plant And Equipment [Line Items]
Capital and financial lease obligation	119,287	124,987
Buildings and Improvements
Property Plant And Equipment [Line Items]
Capital and financial lease obligation	151,862	183,390
Machinery and Equipment
Property Plant And Equipment [Line Items]
Capital and financial lease obligation	$ 11,012	$ 14,168