Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2014

Accounting Policies [Abstract]

Property, Plant and Equipment

The range of useful lives used to depreciate property and equipment is as follows:

	Range of Useful Lives
Building and improvements	10 to 31 years
Machinery and equipment	3 to 15 years
Other	3 to 7 years

The major classes of property, plant and equipment consist of the following:

In thousands	December 31, 2014			December 28, 2013
Land	$	54,919		$	50,780
Buildings and land improvements	240,515			179,821
Machinery, equipment and other	755,590			569,157
Construction in progress	49,887			28,181
Subtotal	1,100,911			827,939
Less: Accumulated depreciation	(230,681		)	(175,159		)
Total	$	870,230		$	652,780

Schedule of Finite-Lived Intangible Assets

The weighted-average useful lives approximate the following:

	Weighted-Average Useful Lives
Technology	13 years
Customer relationships	16 years
Patents	6 years