Rationalization Charges - Activity in Rationalization Plan Reserves (Detail) - USD ($) $ in Thousands	3 Months Ended																12 Months Ended
	Dec. 31, 2019		Sep. 30, 2019		Jun. 30, 2019	[1]	Mar. 31, 2019		Dec. 31, 2018		Sep. 30, 2018	[2]	Jun. 30, 2018	[2]	Mar. 31, 2018		Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Restructuring Cost and Reserve [Line Items]
Rationalization Reserve Beginning Balance							$ 1,612								$ 2,419		$ 1,612	$ 2,419	$ 3,371
Rationalization charges	$ 7,800	[1]	$ 3,200	[1]	$ 39,300		6,100	[1]	$ 4,800	[2]	$ 300		$ 500		700	[2]	56,351	6,253	5,826
Rationalization Plan Reserves Utilized and CTA																	(14,250)	(7,060)	(6,778)
Rationalization Reserve Ending Balance	43,713								1,612								43,713	1,612	2,419
Non-Cash Asset Write-Down
Restructuring Cost and Reserve [Line Items]
Rationalization charges																	5,519	4,821	3,191
Rationalization Plan Reserves Utilized and CTA																	(5,519)	(4,821)	(3,191)
Facility Closing [Member]
Restructuring Cost and Reserve [Line Items]
Rationalization Reserve Beginning Balance							1,482								2,397		1,482	2,397	2,426
Rationalization charges																	1,336	534	1,380
Rationalization Plan Reserves Utilized and CTA																	(1,920)	(1,449)	(1,409)
Rationalization Reserve Ending Balance	898								1,482								898	1,482	2,397
Employee Severance [Member]
Restructuring Cost and Reserve [Line Items]
Rationalization Reserve Beginning Balance							130								$ 22		130	22	945
Rationalization charges																	49,496	898	1,255
Rationalization Plan Reserves Utilized and CTA																	(6,811)	(790)	(2,178)
Rationalization Reserve Ending Balance	42,815								130								42,815	130	22
Metal container plant closings and the Central States Pension Plan withdrawal [Member]
Restructuring Cost and Reserve [Line Items]
Rationalization charges			46,200
Metal container plant closings and the Central States Pension Plan withdrawal [Member] | Facility Closing [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Expected Cost			3,500
Metal container plant closings and the Central States Pension Plan withdrawal [Member] | Central States Pension Plan withdrawal [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Expected Cost			62,000
Rationalization Plan [Member] | Other Restructuring [Member]
Restructuring Cost and Reserve [Line Items]
Remaining expenses for our rationalization plans expected in 2019 and thereafter	2,200																2,200
Effect on Future Cash Flows, Amount																	4,100
Accrued Liabilities [Member]
Restructuring Cost and Reserve [Line Items]
Rationalization Reserve Beginning Balance							600										600
Rationalization Reserve Ending Balance	5,000								600								5,000	600
Other Liabilities [Member]
Restructuring Cost and Reserve [Line Items]
Rationalization Reserve Beginning Balance							$ 1,000										1,000
Rationalization Reserve Ending Balance	$ 38,700								$ 1,000								38,700	1,000
Metal Containers [Member] | Facility Closings and Restructuring [Member]
Restructuring Cost and Reserve [Line Items]
Rationalization charges																	49,425	5,316	3,308
Closures [Member] | Facility Closings and Restructuring [Member]
Restructuring Cost and Reserve [Line Items]
Rationalization charges																	6,562	180	1,042
Plastic Containers [Member] | Facility Closings and Restructuring [Member]
Restructuring Cost and Reserve [Line Items]
Rationalization charges																	$ 364	$ 757	$ 1,476
Annually over the next twenty years [Member] | Central States Pension Plan withdrawal [Member]
Restructuring Cost and Reserve [Line Items]
Accretion Expense			1,100
Effect on Future Cash Flows, Amount			$ 3,100

[1] The first, second, third and fourth quarters of 2019 include rationalization charges of $6.1 million, $39.3 million, $3.2 million and $7.8 million, respectively. The third quarter of 2019 includes a loss on early extinguishment of debt of $1.7 million. The fourth quarter of 2019 includes costs attributed to announced acquisitions of $1.8 million.

[2] The first, second, third and fourth quarters of 2018 include rationalization charges of $0.7 million, $0.5 million, $0.3 million and $4.8 million, respectively. The second quarter of 2018 includes a loss on early extinguishment of debt of $2.5 million.