Litigation, Commitments and Contingencies - Additional Information (Details) € in Thousands, ¥ in Millions, $ in Millions						1 Months Ended		3 Months Ended	12 Months Ended					192 Months Ended
	Oct. 10, 2017 USD ($)	Oct. 03, 2017 USD ($)	Sep. 15, 2017 USD ($)	Feb. 17, 2017 USD ($)	Apr. 08, 2016 USD ($)	Dec. 31, 2015 USD ($)	Dec. 31, 2012 USD ($)	Mar. 31, 2015 USD ($)	Dec. 31, 2017 USD ($) employee lawsuit	Dec. 31, 2017 JPY (¥) lawsuit	Dec. 31, 2017 EUR (€) lawsuit	Dec. 31, 2017 CAD ($) lawsuit	Dec. 31, 2015 employee	Dec. 31, 2017 USD ($) employee	Sep. 28, 2017 USD ($)	Mar. 29, 2017 employee	Dec. 31, 2016 USD ($)	Dec. 31, 2013 USD ($)
Loss Contingencies [Line Items]
Levy accruals									$ 5,600,000					$ 5,600,000			$ 4,900,000
Copyright levy accrual reversal								$ 2,800,000
ECJ Copyright Levy
Loss Contingencies [Line Items]
Copyright levies payment														100,000,000
Levy accruals									5,600,000					5,600,000			$ 4,900,000
France Copyright Levy
Loss Contingencies [Line Items]
Damages awarded against the company					$ 17,000,000
Levy accruals									14,400,000					14,400,000				$ 9,500,000
Amount of copyright levy overpaid							$ 55,100,000		55,100,000
Cost of Sales | Italy Copyright Levy
Loss Contingencies [Line Items]
Gain (loss) related to litigation settlement						$ 1,000,000
IOENGINE LLC Versus Imation
Loss Contingencies [Line Items]
Damages awarded against the company				$ 11,000,000
Payments for legal settlements		$ 3,750,000
Gain (loss) related to litigation settlement									3,300,000
CMC Magnetic Corp Versus Imation
Loss Contingencies [Line Items]
Gain (loss) related to litigation settlement									7,300,000
CMC Magnetic Corp Versus Imation | Imation Corporation Japan
Loss Contingencies [Line Items]
Damages awarded against the company			$ 9,200,000
Payments for legal settlements	$ 1,500,000
Financing receivable	1,500,000
CMC Magnetic Corp Versus Imation | Imation Europe B.V.
Loss Contingencies [Line Items]
Damages awarded against the company	$ 825,000
Suntop Art Work Co., Ltd. Versus Imation | Imation Corporation Japan
Loss Contingencies [Line Items]
Loss contingency, damages sought									940,000	¥ 100
Severance Action
Loss Contingencies [Line Items]
Number of former employees filing lawsuits | employee																3
Number of employees terminated during period | employee													100
Maximum exposure to loss									$ 300,000					$ 300,000
Severance Action | Imation Europe B.V.
Loss Contingencies [Line Items]
Number of lawsuits | lawsuit									4	4	4	4
Loss contingency, damages sought									$ 690,000		€ 560
FIAR Case | Imation Europe B.V.
Loss Contingencies [Line Items]
Percentage of plaintiff group									15.00%	15.00%	15.00%	15.00%
Loss contingency, damages sought from all plaintiffs									$ 100,000,000
Canadian Private Copying Collective Versus Imation | Imation Enterprises Corp.
Loss Contingencies [Line Items]
Loss contingency, damages sought												$ 1
Penalties and interests sought												$ 5
Notes Payable, Other Payables | IOENGINE Note
Loss Contingencies [Line Items]
Debt instrument, face amount															$ 4,000,000.0
Minimum | FIAR Case | Imation Europe B.V.
Loss Contingencies [Line Items]
Loss contingency, damages sought									5,000,000
Maximum | FIAR Case | Imation Europe B.V.
Loss Contingencies [Line Items]
Loss contingency, damages sought									$ 10,000,000
Nexsan Corporation | Severance Action
Loss Contingencies [Line Items]
Number of former executives seeking severance payments | employee									3					3
Loss contingency, damages sought									$ 500,000