Components of Calculation of Earnings Per Share (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended																12 Months Ended
	Dec. 31, 2011		Sep. 30, 2011		Jun. 30, 2011		Mar. 31, 2011		Dec. 31, 2010		Sep. 30, 2010		Jun. 30, 2010		Mar. 31, 2010		Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Earnings Per Share Disclosure [Line Items]
Net income	$ 37,099	[1]	$ 78,756	[1]	$ 51,206	[1]	$ 26,112	[1]	$ 16,379	[2]	$ 65,231	[2]	$ 36,254	[2]	$ 26,782	[2]	$ 193,173	$ 144,646	$ 159,409
Weighted average number of shares used in:
Basic earnings per share																	69,996	75,905	76,351
Dilutive common stock equivalents:
Stock options and restricted stock units																	386	603	620
Diluted earnings per share																	70,382	76,508	76,971

[1] The first, second, third and fourth quarters of 2011 include rationalization charges of $1.7 million, $2.4 million, $0.6 million and $2.9 million, respectively. The first quarter of 2011 includes costs attributable to announced acquisitions of $1.8 million. The second quarter of 2011 includes income of $27.0 million for proceeds received as a result of the termination of the merger agreement with Graham Packaging, net of costs associated with certain corporate development activities, and a charge for the resolution of a past product liability dispute of $3.3 million. The third quarter of 2011 includes a loss on early extinguishment of debt of $1.0 million.

[2] The first, second, third and fourth quarters of 2010 include rationalization charges of $2.0 million, $0.7 million, $1.0 million and $18.5 million, respectively. The third and fourth quarters of 2010 include losses on early extinguishment of debt of $4.5 million and $3.0 million, respectively. The first quarter of 2010 includes a charge of $3.2 million for the remeasurement of net assets in the Venezuela operations. The third and fourth quarters of 2010 include costs attributable to announced acquisitions of $0.5 million and $2.2 million, respectively.