Income Taxes (Details 2) (USD $)	3 Months Ended	12 Months Ended			1 Months Ended	12 Months Ended
	Jun. 30, 2011	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2013 Federal	Jan. 31, 2012 Foreign	Dec. 31, 2013 Foreign
Income Taxes
Non-cash charge recorded to provide a valuation allowance for all domestic deferred tax assets	$ 29,100,000
Deferred tax asset, valuation allowance		51,160,000	44,296,000
NOL				34,000,000		30,000,000
Tax credit carryforward				19,000,000
Annual usage limitation on NOL				2,000,000
Percentage of NOL carryforwards which may expire						21.00%
Amount of foreign cash repatriated					30,000,000
Undistributed earnings and profits of foreign subsidiaries that would be subject to U.S. taxes		69,000,000
Unrecognized tax benefits		7,682,000	5,474,000
Changes in the balance of the entity's unrecognized tax benefits
Balance at the beginning of the period		5,474,000	6,528,000
Increases related to prior year tax positions		51,000	108,000
Increases related to current year tax positions		2,157,000	1,103,000
Decreases related to settlements with tax authorities			(2,118,000)
Lapse of statute of limitations			(147,000)
Balance at the end of the period		$ 7,682,000	$ 5,474,000