Activity in Rationalization Plan Reserves (Detail) - USD ($) $ in Thousands	3 Months Ended																12 Months Ended
	Dec. 31, 2017		Sep. 30, 2017	[1]	Jun. 30, 2017	[1]	Mar. 31, 2017		Dec. 31, 2016		Sep. 30, 2016	[2]	Jun. 30, 2016	[2]	Mar. 31, 2016		Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Restructuring Cost and Reserve [Line Items]
Rationalization Reserve Beginning Balance							$ 3,371								$ 3,294		$ 3,371	$ 3,294	$ 6,368
Rationalization charges	$ 1,300	[1]	$ 600		$ 3,000		900	[1]	$ 5,100	[2]	$ 7,800		$ 5,000		1,100	[2]	5,826	19,061	14,407
Rationalization Plan Reserves Utilized and CTA																	(6,778)	(18,984)	(17,481)
Rationalization Reserve Ending Balance	2,419								3,371								2,419	3,371	3,294
Expected Future Restructuring Net Estimated Cash Payable	3,700																3,700
Non-Cash Asset Write-Down
Restructuring Cost and Reserve [Line Items]
Rationalization charges																	3,191	6,749	11,443
Rationalization Plan Reserves Utilized and CTA																	(3,191)	(6,749)	(11,443)
Facility Closing [Member]
Restructuring Cost and Reserve [Line Items]
Rationalization Reserve Beginning Balance							2,426								268		2,426	268	316
Rationalization charges																	1,380	5,012	287
Rationalization Plan Reserves Utilized and CTA																	(1,409)	(2,854)	(335)
Rationalization Reserve Ending Balance	2,397								2,426								2,397	2,426	268
Special Termination Benefits [Member]
Restructuring Cost and Reserve [Line Items]
Rationalization charges																	0	2,197	(522)
Rationalization Plan Reserves Utilized and CTA																	0	(2,197)	522
Employee Severance [Member]
Restructuring Cost and Reserve [Line Items]
Rationalization Reserve Beginning Balance							945								$ 3,026		945	3,026	6,052
Rationalization charges																	1,255	5,103	3,199
Rationalization Plan Reserves Utilized and CTA																	(2,178)	(7,184)	(6,225)
Rationalization Reserve Ending Balance	22								945								22	945	3,026
Rationalization Plan [Member] | Other Restructuring [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Expected Cost	1,300																1,300
Accrued Liabilities [Member]
Restructuring Cost and Reserve [Line Items]
Rationalization Reserve Beginning Balance							1,900										1,900
Rationalization Reserve Ending Balance	1,200								1,900								1,200	1,900
Other Liabilities [Member]
Restructuring Cost and Reserve [Line Items]
Rationalization Reserve Beginning Balance							$ 1,500										1,500
Rationalization Reserve Ending Balance	$ 1,200								$ 1,500								1,200	1,500
LaPorte, Indiana manufacturing facility [Member] | Special Termination Benefits [Member]
Restructuring Cost and Reserve [Line Items]
Rationalization charges																		2,800
LaPorte, Indiana manufacturing facility [Member] | Net Curtailment Gain [Member]
Restructuring Cost and Reserve [Line Items]
Rationalization charges																		(600)
Metal Containers [Member] | Facility Closings and Restructuring [Member]
Restructuring Cost and Reserve [Line Items]
Rationalization charges																	3,308	12,056	41
Closures [Member] | Facility Closings and Restructuring [Member]
Restructuring Cost and Reserve [Line Items]
Rationalization charges																	1,042	568	1,684
Plastic Containers [Member] | Facility Closings and Restructuring [Member]
Restructuring Cost and Reserve [Line Items]
Rationalization charges																	$ 1,476	$ 6,437	$ 12,682

[1] The first, second, third and fourth quarters of 2017 include rationalization charges of $0.9 million, $3.0 million, $0.6 million and $1.3 million, respectively. The first, second, third and fourth quarters of 2017 includes costs attributed to announced acquisitions of $13.2 million, $9.8 million, $0.8 million and $0.9 million, respectively. The first and second quarters of 2017 include a loss on early extinguishment of debt of $2.7 million and $4.4 million, respectively. The fourth quarter of 2017 includes the benefit from effective tax rate adjustments totaling $110.9 million primarily related to the remeasurement of net deferred tax liabilities to reflect the lower future cash tax obligations as a result of the reduction in the federal corporate tax rate under the 2017 Tax Act.

[2] The first, second, third and fourth quarters of 2016 include rationalization charges of $1.1 million, $5.0 million, $7.8 million and $5.1 million, respectively. The fourth quarter of 2016 includes costs attributed to announced acquisitions of $1.4 million.