Supplemental Cash Flow Information - Additional Information Relating to Cash Flow Activities (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Cash refunds for:
Income taxes, net	$ (122)	$ (3,786)
Noncash investing and financing activities:
Accounts receivable and accounts payable associated with additions of property, plant and equipment	54,237	44,618
Long-term debt associated with additions of capitalized internal-use software and software development	646	$ 1,299
Series E Redeemable Preferred Stock [Member]
Noncash investing and financing activities:
Dividend on Series E redeemable preferred stock	7,350
Accretion of Series E redeemable preferred stock	$ 2,243