| For the years ended December 31 (In thousands) | 2013 | 2012 | 2011 |
|---|---|---|---|
Cash flows from operating activities |
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| Net earnings | $137,981 | $113,844 | $126,389 |
| Adjustments to reconcile net earnings to net cash provided by operating activities: | |||
| Depreciation and amortization | $121,497 | $93,896 | $88,300 |
| (Gain) loss on fixed asset disposals | 77 | (414) | (670) |
| Gain on bargain purchase | — | (910) | — |
| Gain on divestiture | — | (29,912) | (1,298) |
| Deferred income taxes | 5,928 | (3,871) | 3,345 |
| Share-based compensation | 7,349 | 9,428 | 9,621 |
| Impairment of assets | 887 | 4,988 | — |
| Changes in operating assets and liabilities, net of businesses acquired and disposed of: | |||
| Accounts receivable, net | 6,599 | 26,524 | (78,850) |
| Inventories, net | (25,499) | (30,100) | (21,123) |
| Progress payments | (6,131) | (7,923) | 11,264 |
| Accounts payable and accrued expenses | 8,567 | (7,290) | 15,628 |
| Deferred revenue | (7,281) | (34,436) | 51,724 |
| Income taxes | (16,811) | 15,211 | 3,917 |
| Net pension and post-retirement liabilities | (1,630) | (1,132) | (4,234) |
| Other current and long-term assets and liabilities | 6,294 | 4,571 | (2,160) |
| Net cash provided by operating activities | $237,827 | $152,474 | $201,853 | Cash flows from investing activities |
| Proceeds from sales and disposals of long-lived assets | $1,348 | $2,557 | $2,497 |
| Proceeds from divestitures | — | 52,123 | 8,100 |
| Acquisitions of intangible assets | — | (1,761) | (22) |
| Additions to property, plant, and equipment | (72,242) | (82,954) | (84,322) |
| Acquisition of businesses, net of cash acquired | (236,135) | (460,439) | (178,080) |
| Additional consideration paid on prior year acquisitions | (6,663) | (2,524) | — |
| Net cash used for investing activities | $(313,692) | $(492,998) | $(251,827) |
Cash flows from financing activities |
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| Borrowings of revolving credit facility | $983,109 | $576,934 | $1,002,600 |
| Borrowings of debt | 500,000 | — | 300,000 |
| Payment of revolving credit facility | (1,229,148) | (296,145) | (1,112,814) |
| Principal payments on debt | (125,033) | — | — |
| Repurchases of company stock | — | (25,705) | (8,178) |
| Proceeds from share-based compensation plans | 27,450 | 15,492 | 11,746 |
| Dividends paid | (18,377) | (16,392) | (14,893) |
| Excess tax benefits from share-based compensation | 2,137 | 57 | 1,343 |
| Net cash provided by financing activities | $140,138 | $254,241 | $179,804 |
| Effect of exchange-rate changes on cash | (1,002) | 3,919 | (3,562) |
| Net increase (decrease) in cash and cash equivalents | 63,271 | (82,364) | 126,268 |
| Cash and cash equivalents at beginning of year | 112,023 | 194,387 | 68,119 |
| Cash and cash equivalents at end of year | $175,294 | $112,023 | $194,387 |
Supplemental disclosure of non-cash activities |
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| Capital expenditures incurred but not yet paid | $4,546 | $1,478 | $3,600 |
| Recognition of asset retirement obligation | — | $6,904 | — |
| Property and equipment acquired under build to suit transaction | $6,225 | — | — |
