Reporting for Segments (Details 5) (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
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	$ 442,695	$ 546,114	$ 593,974	$ 573,009	$ 536,951	$ 528,564	$ 543,485	$ 492,865	$ 2,155,792	$ 2,101,865	$ 1,657,569
United States [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales									1,022,120	1,039,457	758,048
Spain [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales									340,588	319,711	258,485
Other international [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales									$ 793,084	$ 742,697	$ 641,036