Inventories (Tables)

3 Months Ended

Mar. 31, 2018

Inventory Disclosure [Abstract]

Components of Inventory, Net of Reserves

The components of inventory, net of reserves, were:

In thousands	March 31, 2018		December 31, 2017
Raw materials	$	427,623	$	378,481
Work-in-progress	182,370		167,390
Finished goods	219,283		196,763
Total inventories	$	829,276	$	742,634