Segment Reporting - Financial Segment Information (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended								12 Months Ended
	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Sales to Unaffiliated Customers
Sales to Unaffiliated Customers	$ 1,214,874	$ 1,227,749	$ 1,226,256	$ 1,179,213	$ 1,175,870	$ 1,195,530	$ 1,202,359	$ 1,212,370	$ 4,848,092	$ 4,786,129	$ 4,498,932
Income Before Income Taxes
Total before tax									304,569	287,074	284,406
Identifiable Assets
Identifiable Assets	3,979,291				4,176,065				3,979,291	4,176,065
Depreciation, Depletion and Amortization
Depreciation, depletion and amortization									197,671	200,403	179,871
Capital Expenditures
Capital Expenditures									172,442	214,862	173,372
Operating Segments [Member]
Total Revenue
Total Revenue									4,957,928	4,894,698	4,611,081
Intersegment Sales
Total Revenue									4,957,928	4,894,698	4,611,081
Sales to Unaffiliated Customers
Sales to Unaffiliated Customers									4,848,092	4,786,129	4,498,932
Income Before Income Taxes
Total before tax									304,569	287,074	284,406
Identifiable Assets
Identifiable Assets	3,979,291				4,176,065				3,979,291	4,176,065	3,992,799
Depreciation, Depletion and Amortization
Depreciation, depletion and amortization									197,671	200,403	179,871
Capital Expenditures
Capital Expenditures									172,442	214,862	173,372
Operating Segments [Member] | Consumer Packaging [Member]
Total Revenue
Total Revenue									1,898,690	1,920,114	1,982,989
Intersegment Sales
Total Revenue									1,898,690	1,920,114	1,982,989
Sales to Unaffiliated Customers
Sales to Unaffiliated Customers									1,893,533	1,912,621	1,977,298
Income Before Income Taxes
Total before tax									187,130	176,768	191,475
Identifiable Assets
Identifiable Assets	1,282,726				1,298,381				1,282,726	1,298,381	1,357,691
Depreciation, Depletion and Amortization
Depreciation, depletion and amortization									74,127	75,556	80,257
Capital Expenditures
Capital Expenditures									48,770	58,284	60,795
Operating Segments [Member] | Display and Packaging [Member]
Total Revenue
Total Revenue									525,494	479,885	472,935
Intersegment Sales
Total Revenue									525,494	479,885	472,935
Sales to Unaffiliated Customers
Sales to Unaffiliated Customers									523,532	477,632	471,445
Income Before Income Taxes
Total before tax									23,617	18,512	21,733
Identifiable Assets
Identifiable Assets	380,229				358,225				380,229	358,225	327,927
Depreciation, Depletion and Amortization
Depreciation, depletion and amortization									7,937	7,692	7,434
Capital Expenditures
Capital Expenditures									3,007	3,302	4,578
Operating Segments [Member] | Paper And Industrial Converted Products [Member]
Total Revenue
Total Revenue									1,958,762	1,937,523	1,996,221
Intersegment Sales
Total Revenue									1,958,762	1,937,523	1,996,221
Sales to Unaffiliated Customers
Sales to Unaffiliated Customers									1,858,880	1,840,827	1,892,220
Income Before Income Taxes
Total before tax									138,094	141,351	138,207
Identifiable Assets
Identifiable Assets	1,290,353				1,316,606				1,290,353	1,316,606	1,294,712
Depreciation, Depletion and Amortization
Depreciation, depletion and amortization									82,392	83,329	86,559
Capital Expenditures
Capital Expenditures									88,556	112,298	86,821
Operating Segments [Member] | Protective Solutions [Member]
Total Revenue
Total Revenue									574,982	557,176	158,936
Intersegment Sales
Total Revenue									574,982	557,176	158,936
Sales to Unaffiliated Customers
Sales to Unaffiliated Customers									572,147	555,049	157,969
Income Before Income Taxes
Total before tax									37,273	38,797	15,228
Identifiable Assets
Identifiable Assets	690,867				711,555				690,867	711,555	721,793
Depreciation, Depletion and Amortization
Depreciation, depletion and amortization									33,215	33,826	5,621
Capital Expenditures
Capital Expenditures									20,323	14,757	3,884
Operating Segments [Member] | Corporate [Member]
Income Before Income Taxes
Total before tax									(81,545)	(88,354)	(82,237)
Identifiable Assets
Identifiable Assets	335,116				491,298				335,116	491,298	290,676
Capital Expenditures
Capital Expenditures									11,786	26,221	17,294
Consolidation, Eliminations [Member]
Total Revenue
Total Revenue									109,836	108,569	112,149
Intersegment Sales
Total Revenue									109,836	108,569	112,149
Consolidation, Eliminations [Member] | Consumer Packaging [Member]
Total Revenue
Total Revenue									5,157	7,493	5,691
Intersegment Sales
Total Revenue									5,157	7,493	5,691
Consolidation, Eliminations [Member] | Display and Packaging [Member]
Total Revenue
Total Revenue									1,962	2,253	1,491
Intersegment Sales
Total Revenue									1,962	2,253	1,491
Consolidation, Eliminations [Member] | Paper And Industrial Converted Products [Member]
Total Revenue
Total Revenue									99,882	96,696	104,000
Intersegment Sales
Total Revenue									99,882	96,696	104,000
Consolidation, Eliminations [Member] | Protective Solutions [Member]
Total Revenue
Total Revenue									2,835	2,127	967
Intersegment Sales
Total Revenue									$ 2,835	$ 2,127	$ 967