Debt Including Capital Lease Obligations - Carrying and Estimated Fair Value Table (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2014		Dec. 31, 2013		Sep. 30, 2013
Debt Instrument [Line Items]
Capital Lease Obligations	$ 42,142	[1]	$ 39,025	[1]	$ 32,171	[1]
Estimated Fair Value - Capital lease obligations	42,000	[1],[2]	39,000	[1],[2]	32,000	[1],[2]
Less current portion	(4,648)		(2,271)		(2,191)
Total long-term debt and capital lease obligations	634,882		629,353		620,012
4.25% Convertible Senior Notes
Debt Instrument [Line Items]
Carrying Value	173,194		164,050		161,182
Estimated Fair Value	200,000	[2]	194,000	[2]	196,000	[2]
Other debt [Member]
Debt Instrument [Line Items]
Carrying Value	6,541
Estimated Fair Value	6,000	[2]
Senior Secured Notes, 7 Point 875 Percent, Due 2021 [Member] | Senior notes
Debt Instrument [Line Items]
Carrying Value	412,403		422,174		422,100
Estimated Fair Value	449,000	[2]	459,000	[2]	453,000	[2]
ABL Credit Facility, Term Loan [Member] | ABL Term Loan
Debt Instrument [Line Items]
Carrying Value	5,250		6,375		6,750
Estimated Fair Value	$ 5,000	[2]	$ 6,000	[2]	$ 6,000	[2]

[1] Capital lease obligations include the borrowings for the salad production and warehousing facility in the Midwest. See further description of the build-to-suit lease below

[2] The fair value of the senior notes is based on observable inputs, which include quoted prices for similar assets or liabilities in an active market and market-corroborated inputs (Level 2). All other debt may be traded on the secondary loan market, and the fair value is based on either the last available trading price, if recent, or trading prices of comparable debt (Level 3). See Note 8 for further discussion of fair value.