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Income taxes (Deferred Taxes) (Details) (USD $) In Thousands, unless otherwise specified | Dec. 31, 2013 | Dec. 31, 2012
--- | --- | ---
Deferred tax assets |  |
Reserves and accruals | $ 7,149 | $ 12,701
Inventory | 12,538 | 13,940
Stock awards | 6,284 | 4,609
Other | 146 | 255
Net operating loss and other tax credit carryforwards | 1,858 | 1,213
Total deferred tax assets | 27,975 | 32,718
Deferred tax liabilities |  |
Property equipment | (16,387) | (12,226)
Goodwill and intangible assets | (71,406) | (45,998)
Investment in unconsolidated subsidiary | (10,993) | 0
Unremitted non-U.S. earnings | (740) | (740)
Prepaid expenses and other | (1,377) | (868)
Total deferred tax liabilities | (100,903) | (59,832)
Net deferred tax liabilities | $ (72,928) | $ (27,114)

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