Joint Ventures (Details) (USD $) Share data in Millions, unless otherwise specified	3 Months Ended		12 Months Ended
	Apr. 01, 2012	Apr. 03, 2011	Jan. 01, 2012	Jul. 03, 2011	Jun. 30, 2010
Schedule of Equity Method Investments [Line Items]
Equity Method Investment, Value of Shares Sold	$ 17,403,000	$ 0
Investments in joint ventures	112,532,000		129,929,000
Equity in earnings (loss) of unconsolidated investees	(3,425,000)	7,133,000	6,003,000
Woongjin Energy [Member]
Schedule of Equity Method Investments [Line Items]
Subsidiary or Equity Method Investee, Additional Issuance of Shares to Investors Outside the Consolidated Group					15.9
Equity Method Investment, Shares Sold			15.5
Equity Method Investment, Value of Shares Sold	14,000,000
Proceeds from Sale of Equity Method Investments	3,400,000
Investments in joint ventures	0		14,000,000
Equity method investment, ownership shares			3.9
Equity method investment, ownership percentage	0.00%		6.00%	31.00%
Equity in earnings (loss) of unconsolidated investees	0	4,500,000
First Philec Solar [Member]
Schedule of Equity Method Investments [Line Items]
Investments in joint ventures	6,900,000		6,900,000
Equity method investment, ownership percentage	15.00%		15.00%
Equity in earnings (loss) of unconsolidated investees	0	500,000
AUOSP [Member]
Schedule of Equity Method Investments [Line Items]
Investments in joint ventures	105,600,000		109,000,000
Equity method investment, ownership percentage	50.00%
Joint Venture, Energy Output Committed to Purchase in Year One	95.00%
Joint Venture, Energy Output Committed to Purchase in Years Two Through Seven	80.00%
Equity in earnings (loss) of unconsolidated investees	(3,400,000)	2,200,000
Corporate Joint Venture [Member] | Woongjin Energy [Member]
Schedule of Equity Method Investments [Line Items]
Due from joint ventures	16,200,000		24,400,000
Payments for inventories or services	59,600,000	48,800,000
Due to Joint Ventures	19,300,000		44,100,000
Corporate Joint Venture [Member] | First Philec Solar [Member]
Schedule of Equity Method Investments [Line Items]
Due from joint ventures	8,900,000		8,100,000
Payments for inventories or services	24,000,000	28,400,000
Due to Joint Ventures	9,800,000		8,000,000
Corporate Joint Venture [Member] | AUOSP [Member]
Schedule of Equity Method Investments [Line Items]
Due from joint ventures	33,900,000		66,400,000
Payments for inventories or services	156,000,000	27,900,000
Due to Joint Ventures	81,200,000		101,700,000
AUO Joint Venture [Member]
Schedule of Equity Method Investments [Line Items]
Potential Additional Financing Obligation if Requested by Joint Venture	50,000,000
AUO Joint Venture [Member] | AUOSP [Member]
Schedule of Equity Method Investments [Line Items]
Future Financing Obligation	$ 241,000,000