Quarterly Operating Results (Unaudited) (Details) (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended																12 Months Ended
	Dec. 31, 2012		Sep. 28, 2012		Jun. 29, 2012		Mar. 30, 2012		Dec. 31, 2011		Sep. 30, 2011		Jul. 01, 2011		Apr. 01, 2011		Dec. 31, 2012		Dec. 31, 2011		Dec. 31, 2010
Net sales	$ 1,622.2	[1]	$ 1,512.6	[2]	$ 1,475.2	[3]	$ 1,449.5	[4]	$ 1,345.9	[5]	$ 1,491.1	[6]	$ 1,533.5	[7]	$ 1,437.7	[8]	$ 6,059.5	[9]	$ 5,808.2	[9]	$ 4,856.0	[9]
Gross profit	136.7	[1]	165.4	[2]	173.7	[3]	149.1	[4]	118.2	[5]	143.7	[6]	173.6	[7]	158.8	[8]	624.9	[9]	594.3	[9]	539.9	[9]
Net income (loss) attributable to Company common shareholders	(15.7)	[1]	(22.9)	[2]	17.7	[3]	24.9	[4]	(3.2)	[5]	(8.4)	[6]	34.6	[7]	31.5	[8]	4.0	[10],[9]	54.5	[10],[9]	56.2	[10],[9]
Net income (loss) attributable to Company common shareholders - for diluted EPS computation	(15.7)	[1]	(22.8)	[2]	17.8	[3]	25.0	[4]	(3.2)	[5]	(8.3)	[6]	34.7	[7]	31.6	[8]	4.3	[10]	54.8	[10]	56.5	[10]
Earnings (loss) per common share - basic	$ (0.32)	[1]	$ (0.46)	[2]	$ 0.36	[3]	$ 0.50	[4]	$ (0.06)	[5]	$ (0.16)	[6]	$ 0.66	[7]	$ 0.60	[8]	$ 0.08	[11],[9]	$ 1.05	[11],[9]	$ 1.08	[11],[9]
Earnings (loss) per common share - assuming dilution	$ (0.32)	[1]	$ (0.46)	[2]	$ 0.35	[3]	$ 0.49	[4]	$ (0.06)	[5]	$ (0.16)	[6]	$ 0.63	[7]	$ 0.58	[8]	$ 0.08	[9]	$ 1.02	[9]	$ 1.06	[9]
As Originally Filed [Member]
Net sales																	6,014.3		5,866.7		4,864.9
Gross profit																	614.2		625.6		554.0
Net income (loss) attributable to Company common shareholders																	3.7		83.8		69.2
Effect of Restatement 1 [Member]
Net sales																			0		0
Gross profit																			(17.9)		(8.3)
Net income (loss) attributable to Company common shareholders																			(18.1)		(7.8)
Effect of Restatement 2 [Member]
Net sales																	45.2		(58.5)		(8.9)
Gross profit																	10.7		(13.4)		(5.8)
Net income (loss) attributable to Company common shareholders																	0.3		(11.2)		(5.2)
Errors Relating to Accounting for Inventory [Member] | As Originally Filed [Member]
Net sales	1,603.1	[1]	1,500.6	[2]	1,478.1	[3]	1,432.5	[4]	1,369.1	[5]	1,517.8	[6]	1,532.2	[7]	1,447.6	[8]	6,014.3		5,866.7		4,864.9
Gross profit	133.2	[1]	163.0	[2]	177.0	[3]	147.2	[4]	127.6	[5]	156.4	[6]	174.6	[7]	167.0	[8]	614.2		625.6		554.0
Net income (loss) attributable to Company common shareholders	(17.2)	[1]	(20.6)	[2]	21.8	[3]	24.9	[4]	4.4	[5]	3.6	[6]	37.5	[7]	38.2	[8]	3.7		83.8		69.2
Net income (loss) attributable to Company common shareholders - for diluted EPS computation	(17.2)	[1]	(20.5)	[2]	21.9	[3]	25.0	[4]	4.5	[5]	3.7	[6]	37.6	[7]	38.3	[8]
Earnings (loss) per common share - basic	$ (0.35)	[1]	$ (0.41)	[2]	$ 0.44	[3]	$ 0.50	[4]	$ 0.09	[5]	$ 0.07	[6]	$ 0.72	[7]	$ 0.73	[8]	$ 0.07		$ 1.61		$ 1.33
Earnings (loss) per common share - assuming dilution	$ (0.35)	[1]	$ (0.41)	[2]	$ 0.43	[3]	$ 0.49	[4]	$ 0.09	[5]	$ 0.07	[6]	$ 0.68	[7]	$ 0.70	[8]	$ 0.08		$ 1.57		$ 1.31
Errors Relating to Accounting for Inventory [Member] | Effect of Restatement 1 [Member]
Net sales	0	[1]	0	[2]	0	[3]	0	[4]	0	[5]	0	[6]	0	[7]	0	[8]	45.2		0		0
Gross profit	0	[1]	0	[2]	(3.5)	[3]	(2.7)	[4]	(4.9)	[5]	(4.7)	[6]	(4.3)	[7]	(4.0)	[8]	10.7		(17.9)		(8.3)
Net income (loss) attributable to Company common shareholders	0	[1]	0	[2]	(3.0)	[3]	(2.2)	[4]	(3.8)	[5]	(5.7)	[6]	(4.3)	[7]	(4.2)	[8]	0.3		(18.1)		(7.8)
Net income (loss) attributable to Company common shareholders - for diluted EPS computation	0	[1]	0	[2]	(3.0)	[3]	(2.2)	[4]	(3.9)	[5]	(5.7)	[6]	(4.3)	[7]	(4.2)	[8]
Earnings (loss) per common share - basic	$ 0.00	[1]	$ 0.00	[2]	$ (0.06)	[3]	$ (0.04)	[4]	$ (0.08)	[5]	$ (0.11)	[6]	$ (0.08)	[7]	$ (0.08)	[8]	$ 0.01		$ (0.34)		$ (0.15)
Earnings (loss) per common share - assuming dilution	$ 0.00	[1]	$ 0.00	[2]	$ (0.06)	[3]	$ (0.04)	[4]	$ (0.08)	[5]	$ (0.11)	[6]	$ (0.07)	[7]	$ (0.07)	[8]	$ 0.00		$ (0.34)		$ (0.15)
Errors Relating to Accounting for Inventory [Member] | Restatement 1 [Member]
Net sales	1,603.1	[1]	1,500.6	[2]	1,478.1	[3]	1,432.5	[4]	1,369.1	[5]	1,517.8	[6]	1,532.2	[7]	1,447.6	[8]			5,866.7		4,864.9
Gross profit	133.2	[1]	163.0	[2]	173.5	[3]	144.5	[4]	122.7	[5]	151.7	[6]	170.3	[7]	163.0	[8]			607.7		545.7
Net income (loss) attributable to Company common shareholders	(17.2)	[1]	(20.6)	[2]	18.8	[3]	22.7	[4]	0.6	[5]	(2.1)	[6]	33.2	[7]	34.0	[8]			65.7		61.4
Net income (loss) attributable to Company common shareholders - for diluted EPS computation	(17.2)	[1]	(20.5)	[2]	18.9	[3]	22.8	[4]	0.6	[5]	(2.0)	[6]	33.3	[7]	34.1	[8]
Earnings (loss) per common share - basic	$ (0.35)	[1]	$ (0.41)	[2]	$ 0.38	[3]	$ 0.46	[4]	$ 0.01	[5]	$ (0.04)	[6]	$ 0.64	[7]	$ 0.65	[8]			$ 1.27		$ 1.18
Earnings (loss) per common share - assuming dilution	$ (0.35)	[1]	$ (0.41)	[2]	$ 0.37	[3]	$ 0.45	[4]	$ 0.01	[5]	$ (0.04)	[6]	$ 0.61	[7]	$ 0.63	[8]			$ 1.23		$ 1.16
Errors Relating to Accounting for Inventory [Member] | Effect of Restatement 2 [Member]
Net sales	19.1	[1]	12.0	[2]	(2.9)	[3]	17.0	[4]	(23.2)	[5]	(26.7)	[6]	1.3	[7]	(9.9)	[8]			(58.5)		(8.9)
Gross profit	3.5	[1]	2.4	[2]	0.2	[3]	4.6	[4]	(4.5)	[5]	(8.0)	[6]	3.3	[7]	(4.2)	[8]			(13.4)		(5.8)
Net income (loss) attributable to Company common shareholders	1.5	[1]	(2.3)	[2]	(1.1)	[3]	2.2	[4]	(3.8)	[5]	(6.3)	[6]	1.4	[7]	(2.5)	[8]			(11.2)		(5.2)
Net income (loss) attributable to Company common shareholders - for diluted EPS computation	$ 1.5	[1]	$ (2.3)	[2]	$ (1.1)	[3]	$ 2.2	[4]	$ (3.8)	[5]	$ (6.3)	[6]	$ 1.4	[7]	$ (2.5)	[8]
Earnings (loss) per common share - basic	$ 0.03	[1]	$ (0.05)	[2]	$ (0.02)	[3]	$ 0.04	[4]	$ (0.07)	[5]	$ (0.12)	[6]	$ 0.02	[7]	$ (0.05)	[8]			$ (0.22)		$ (0.10)
Earnings (loss) per common share - assuming dilution	$ 0.03	[1]	$ (0.05)	[2]	$ (0.02)	[3]	$ 0.04	[4]	$ (0.07)	[5]	$ (0.12)	[6]	$ 0.02	[7]	$ (0.05)	[8]			$ (0.21)		$ (0.10)

[1] In the above table, the “As Originally Filed” rows correspond to Note 21 - Quarterly Operating Results (Unaudited) as stated in the Form 10-K for the fiscal year ended December 31, 2012 filed by the Company on March 1, 2013.

[2] In the above table, the “As Originally Filed” rows correspond to Form 10-Q for the fiscal quarter ended September 28, 2012 filed by the Company on March 1, 2013.

[3] In the above table, the “As Originally Filed” rows correspond to Form 10-Q for the fiscal quarter ended June 29, 2012 filed by the Company on August 3, 2012. The “Restatement #1” rows correspond to Form 10-Q/A for the fiscal quarter ended June 29, 2012 filed by the Company on March 1, 2013.

[4] In the above table, the “As Originally Filed” rows correspond to Form 10-Q for the fiscal quarter ended March 30, 2012 filed by the Company on May 4, 2012. The “Restatement #1” rows correspond to Form 10-Q/A for the fiscal quarter ended March 30, 2012 filed by the Company on March 1, 2013.

[5] In the above table, the “As Originally Filed” rows correspond to Note 20 - Quarterly Operating Results (Unaudited) as stated in the Form 10-K for the fiscal year ended December 31, 2011 filed by the Company on February 23, 2012. The “Restatement #1” rows correspond to Note 21 - Quarterly Operating Results (Unaudited) as stated in the Form 10-K/A for the fiscal year ended December 31, 2011 filed by the Company on March 1, 2013.

[6] In the above table, the “As Originally Filed” rows correspond to Form 10-Q for the fiscal quarter ended September 30, 2011 filed by the Company on November 3, 2011. The “Restatement #1” rows correspond to Form 10-Q/A for the fiscal quarter ended September 28, 2012 filed by the Company on March 1, 2013.

[7] In the above table, the “As Originally Filed” rows correspond to Form 10-Q for the fiscal quarter ended July 1, 2011 filed by the Company on August 4, 2011. The “Restatement #1” rows correspond to Form 10-Q/A for the fiscal quarter ended June 29, 2012 filed by the Company on March 1, 2013.

[8] In the above table, the “As Originally Filed” rows correspond to Form 10-Q for the fiscal quarter ended April 1, 2011 filed by the Company on May 6, 2011. The “Restatement #1” rows correspond to Form 10-Q/A for the fiscal quarter ended March 30, 2012 filed by the Company on March 1, 2013.

[9] See Note 23 - Restatement of Consolidated Financial Statements

[10] Numerator

[11] Under the two class method, Earnings per share — basic reflects undistributed earnings per share for both common stock and unvested share-based payment awards (restricted stock).