Business Segments (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013 segment	Mar. 31, 2012	Dec. 31, 2012
Segment Reporting Information [Line Items]
Number of reportable segments	2
Net sales	$ 687,529	$ 655,010
Depreciation expense	89,167	80,097
Gross profit	114,953	104,981
Capital additions	124,270	123,935
Property, plant and equipment, gross	4,627,945		4,599,053
Packaging [Member]
Segment Reporting Information [Line Items]
Net sales	593,375	581,511
Depreciation expense	61,652	57,920
Gross profit	83,501	87,303
Capital additions	63,663	53,551
Property, plant and equipment, gross	3,412,124		3,372,071
Test [Member]
Segment Reporting Information [Line Items]
Net sales	94,154	73,499
Depreciation expense	27,515	22,177
Gross profit	31,452	17,678
Capital additions	40,166	49,082
Property, plant and equipment, gross	1,100,370		1,076,513
Other [Member]
Segment Reporting Information [Line Items]
Net sales	0	0
Depreciation expense	0	0
Gross profit	0	0
Capital additions	20,441	21,302
Property, plant and equipment, gross	$ 115,451		$ 150,469