Net Property, Plant and Equipment (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended		9 Months Ended			12 Months Ended
	Jul. 04, 2015	Jun. 29, 2014	Oct. 04, 2015	Sep. 28, 2014	Dec. 31, 2015		Dec. 28, 2014	Mar. 31, 2015		Mar. 31, 2014	[1]	Jul. 03, 2015
Property, plant and equipment
Depreciation expenses	$ 33,686	$ 17,327	$ 66,623	$ 34,643	$ 89,374	[1]	$ 51,833	$ 72,843	[1]	$ 69,192
Gross property, plant and equipment					1,827,549			1,756,156
Less accumulated depreciation					(1,065,855)			(987,106)
Net property, plant and equipment		$ 480,782	$ 750,080	$ 478,909	761,694	[2]	$ 479,005	769,050	[2]			$ 758,820
Land and land improvements
Property, plant and equipment
Gross property, plant and equipment					47,907			41,597
Buildings and other improvements
Property, plant and equipment
Gross property, plant and equipment					355,687			339,929
Machinery, equipment and other
Property, plant and equipment
Gross property, plant and equipment					1,289,721			1,234,968
Property not yet in service
Property, plant and equipment
Gross property, plant and equipment					$ 134,234			$ 139,662
Minimum | Buildings and other improvements
Property, plant and equipment
Useful life of property, plant and equipment (in years)					1 year
Minimum | Machinery, equipment and other
Property, plant and equipment
Useful life of property, plant and equipment (in years)					1 year
Maximum | Buildings and other improvements
Property, plant and equipment
Useful life of property, plant and equipment (in years)					45 years
Maximum | Machinery, equipment and other
Property, plant and equipment
Useful life of property, plant and equipment (in years)					30 years

[1] See Note 2 - Restatement

[2] See Note 2 - Restatement