Accounts Receivable (Details) (USD $)	Sep. 30, 2014	Dec. 31, 2013
Accounts receivable balances on product sales from different countries
Current balance included within accounts receivable, net	$ 1,091,232,000	$ 824,406,000
Spain
Accounts receivable balances on product sales from different countries
Current balance included within accounts receivable, net	58,200,000	113,300,000
Non-current balance included within investments and other assets	10,900,000	6,800,000
Total	69,100,000	120,100,000
Italy
Accounts receivable balances on product sales from different countries
Current balance included within accounts receivable, net	68,100,000	76,100,000
Non-current balance included within investments and other assets	1,500,000	2,400,000
Total	69,600,000	78,500,000
Portugal
Accounts receivable balances on product sales from different countries
Current balance included within accounts receivable, net	19,800,000	10,400,000
Non-current balance included within investments and other assets	8,500,000	8,200,000
Total	$ 28,300,000	$ 18,600,000