Financial Instruments - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended			12 Months Ended
	Mar. 30, 2013		Mar. 31, 2012	Dec. 31, 2012
Financial Instruments [Line Items]
Long-term debt	$ 1,056.8	[1]		$ 626.3
Gains (losses) recorded in accumulated other comprehensive loss	29.9			19.9
Expected amount to be reclassified into earnings from accumulated other comprehensive loss	27.7
Guilford Mills | Fair Value, Inputs, Level 3 | Property Plant and Equipment
Financial Instruments [Line Items]
Fair value measured on a non-recurring basis				89.9
Guilford Mills | Fair Value, Inputs, Level 3 | Intangible Assets
Financial Instruments [Line Items]
Fair value measured on a non-recurring basis				56.0
Foreign Exchange Contract
Financial Instruments [Line Items]
Derivative, fair value, net	28.0			19.9
Notional amount of other derivatives not designated as hedging instruments	154.6			23.4
Other derivatives not designated as hedging instruments, fair value, net	(1.9)			0
Foreign Exchange Contract | Sales
Financial Instruments [Line Items]
Gains (Losses) reclassified from accumulated other comprehensive loss	0.5		0.2
Foreign Exchange Contract | Cost of Sales
Financial Instruments [Line Items]
Gains (Losses) reclassified from accumulated other comprehensive loss	7.7		(0.5)
Foreign Exchange Contract | Designated as Hedging Instrument
Financial Instruments [Line Items]
Notional amount of derivatives	760.3			836.4
Derivative maturities	17 months			17 months
Derivative, fair value, net	29.9			19.9
Gains (Losses) reclassified from accumulated other comprehensive loss	(8.2)		0.3
Foreign Exchange Contract | Not Designated as Hedging Instrument
Financial Instruments [Line Items]
Derivative maturities	9 months			9 months
Derivative, fair value, net	(1.9)
Commodity Contract | Cost of Sales
Financial Instruments [Line Items]
Gains (Losses) reclassified from accumulated other comprehensive loss			0.2
Commodity Contract | Designated as Hedging Instrument
Financial Instruments [Line Items]
Gains (Losses) reclassified from accumulated other comprehensive loss			0.2
Carrying (Reported) Amount, Fair Value Disclosure
Financial Instruments [Line Items]
Long-term debt	1,056.8			626.3
Estimate of Fair Value, Fair Value Disclosure
Financial Instruments [Line Items]
Long-term debt	$ 1,103.9			$ 696.6

[1] Unaudited.