Investment in CyOptics, Inc. Investment in CyOptics (Details) (USD $) In Thousands, unless otherwise specified	0 Months Ended	3 Months Ended
May 11, 2005	Mar. 31, 2012	Apr. 02, 2011
Cost-method Investments, Realized Gain (Loss), Alternative [Abstract]
Consideration in preferred stock received	$ 4,500
Receipt of unsecured promissory note	5,633
Gain/recovery of investment		$ (6,953)	$ (151)

This element represents the amount by which the carrying amount exceeds the fair value of the investment or the amount of recovery on a previously impaired investment. The impairment amount is charged to income if the decline in fair value is deemed to be other than temporary. The recovery amount is credited to income on receipt of cash proceeds.

No definition available.

Name:	tqnt_InvestmentImpairmentRecovery
Namespace Prefix:	tqnt_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration